Burdett, Jeremy K.
John Wiley & Sons, 1980
Buku Teks
Crippen, G. M.
Research Studies Press, 1981
Buku Teks
Lima-de-Faria, Antonio
[, Springer], 2012
eBooks
Moore, John W.
Thomson Brooks/Cole, 2005
Buku Teks
Silberberg, Martin S.
McGraw-Hill, 2013
Buku Teks