Barish, Norman N., author
McGraw-Hill, 1987
Buku Teks
Taylor, George A., author
D. Van Nostrand, 1964
Buku Teks
Blake, Robert R., author
Texas Gulf, 1961
Buku Teks
Seldner, Betty J.
McGraw-Hill, 1994
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Row, 1964
Buku Teks