你的参考书目 - Math bibliographies - in Harvard style

In-text: (Engineering Mathematics, 2007)

Your Bibliography: 2007. Engineering Mathematics. 6th ed. K.A.STROUD, p.1157.

In-text: (决定系数_百度百科, 2015)

Your Bibliography: Baike.baidu.com. 2015. 决定系数_百度百科. [online] Available at: <http://baike.baidu.com/link?url=Dqb3whXIVookp258-jnC9Cn_aIiB48qrF6e5UWW1Yix3x7eClT8OO025zXc4IiOK> [Accessed 27 February 2015].

In-text: (Carol, 2015)

Your Bibliography: Carol, F., 2015. What is a Coefficient of Determination? (with picture). [online] wiseGEEK. Available at: <http://www.wisegeek.com/what-is-a-coefficient-of-determination.htm> [Accessed 3 March 2015].

In-text: (Mean, Mode, Median, and Standard Deviation, 2015)

Your Bibliography: Ltcconline.net. 2015. Mean, Mode, Median, and Standard Deviation. [online] Available at: <http://www.ltcconline.net/greenl/courses/201/descstat/mean.htm> [Accessed 27 February 2015].

In-text: (China Statistical Yearbook-2014, 2015)

Your Bibliography: Stats.gov.cn. 2015. China Statistical Yearbook-2014. [online] Available at: <http://www.stats.gov.cn/tjsj/ndsj/2014/indexeh.htm> [Accessed 27 February 2015].