Sackheim, George I., author
Pearson education , 2002
Buku Teks
Harrison, Paul, author
John Wiley & Sons, 2001
Buku Teks
Dyson, N.A., author
John Wiley & Sons, 1981
Buku Teks
by T. Elliot Weier ... [et al.]
John Wiley & Sons, 1982
Buku Teks
Peter H. Raven
McGraw-Hill, Higher Education, 2008
Buku Teks