New bibliography - Math bibliographies - in Harvard style

In-text: (What is the mathematical name for the infinity symbol? - Yahoo Answers, 2009)

Your Bibliography: Au.answers.yahoo.com. 2009. What is the mathematical name for the infinity symbol? - Yahoo Answers. [online] Available at: <https://au.answers.yahoo.com/question/index?qid=20090428021317AAwt3Gw> [Accessed 15 February 2015].

In-text: (the definition of infinity, 2015)

Your Bibliography: Dictionary.com. 2015. the definition of infinity. [online] Available at: <http://dictionary.reference.com/browse/infinity> [Accessed 16 February 2015].

In-text: (Inglis-Arkell, 2015)

Your Bibliography: Inglis-Arkell, E., 2015. The odd genius who showed that one infinity was greater than another. [online] io9. Available at: <http://io9.com/5873581/the-odd-genius-who-showed-that-one-infinity-was-greater-than-another> [Accessed 15 February 2015].

In-text: (What is Infinity?, 2015)

Your Bibliography: Mathsisfun.com. 2015. What is Infinity?. [online] Available at: <https://www.mathsisfun.com/numbers/infinity.html> [Accessed 15 February 2015].

In-text: (Infinity symbol (∞) - RapidTables.com, 2015)

Your Bibliography: Rapidtables.com. 2015. Infinity symbol (∞) - RapidTables.com. [online] Available at: <http://www.rapidtables.com/math/symbols/Infinity_Symbol.htm> [Accessed 15 February 2015].

In-text: (I found great synonyms for "infinity" on the new Thesaurus.com!, 2015)

Your Bibliography: www.thesaurus.com. 2015. I found great synonyms for "infinity" on the new Thesaurus.com!. [online] Available at: <http://www.thesaurus.com/browse/infinity> [Accessed 17 February 2015].