Muller, Gilbert H., author
McGraw-Hill, 1982
Buku Teks
Hill, Anthony
Penguin Books, 1985
Buku Teks
Black, Christopher, author
McGraw-Hill, 2011
Buku Teks
Hill, Napoleon, author
Ufuk Press, 2009
Buku Teks
editor, Harry Helms [and others]
McGraw-Hill, 1983
Buku Referensi