Sneppen, Kim, author
Cambridge University Press, 2014
Buku Teks
Gerking, Shelby D., author
Burgess, 1970
Buku Teks
edited by R.J.H. Clark and R.E. Hester
John Wiley & Sons, 1986
Buku Teks
Truskey, George A., author
Pearson/Prentice Hall, 2004
Buku Teks
Maureen J. Kendrick... [et.al]
Ellis Horwood , 1992
Buku Teks