Amplitude Modulation and Frequency Modulation - Engineering bibliographies - in Harvard style

In-text: (Federation Of American Scientists, n.d.)

Your Bibliography: Federation Of American Scientists. n.d. Federation Of American Scientists. [online] Available at: <http://www.fas.org/man/dod-101/navy/docs/es310/propagat/Propagat.htm)> [Accessed 1 January 2015].

In-text: (Fette, 2009)

Your Bibliography: Fette, B., 2009. Cognitive radio technology. Amsterdam: Academic Press/Elsevier.

In-text: (Gottlieb, 1966)

Your Bibliography: Gottlieb, I., 1966. Understanding amplitude modulation. Indianapolis: H.W. Sams.

In-text: (Green, 1995)

Your Bibliography: Green, D., 1995. Radio systems for technicians. Harlow, Essex, England: Longman.

In-text: (Lesurf, n.d.)

Your Bibliography: Lesurf, J., n.d. Amplitude Modulation. [online] St Andrews University. Available at: <https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/RadCom/part9/page1.html)> [Accessed 1 January 2015].

In-text: (Lesurf, n.d.)

Your Bibliography: Lesurf, J., n.d. FM/PM Demodulation - The Phase Lock Loop>. [online] St-andrews.ac.uk. Available at: <https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/RadCom/part13/page1.html> [Accessed 1 January 2015].

In-text: (Proakis and Salehi, n.d.)

Your Bibliography: Proakis, J. and Salehi, M., n.d. Fundamentals of communication systems.

In-text: (WITS Lab, n.d.)

Your Bibliography: WITS Lab, n.d. Phase and Frequency Modulation. [online] Sun Yat-sen University. Available at: <http://wits.ice.nsysu.edu.tw/course/pdfdownload/99CS/Comm-04-Phase%20and%20Frequency%20Modulation.pdf> [Accessed 1 January 2015].