Waters, Frank, author
University Of Queensland Press, 1978
Buku Teks
Herring, E. Pendleton, author
McGraw-Hill, 1936
Buku Teks
Grundy, Fred, author
H.K. Lewis, 1968
Buku Teks
Nice, David C., author
Wadsworth, 2002
Buku Teks
Jefkins, Frank William, author
Erlangga, 2004
Buku Teks