by Paul Mussen ... [and others]
D.C. Heath, 1973
Buku Teks
Riggio, Ronald E., author
Pearson, 2009
Buku Teks
Enos, Matthew, author
Wadsworth, 2002
Buku Teks
Lovell, K.
Macmillan, 1968
Buku Teks
by Richard R. Bootzin [and others]
Mcgraw-Hill , 1991
Buku Teks