Gordon Wills ... [and others]
Pan Books, 1975
Buku Teks
Hinkle, Charles L
Mc Graw Hill, 1975
Buku Teks
Hinkle, Charles L
Mc Graw Hill, 1975
Buku Teks
Lovelock, Christopher H., author
Pearson Prentice Hall, 2001
Buku Teks
McCarthy, E. Jerome, author
Richard D. Irwin, 1998
Buku Teks