edited by C.A. Jacobson
Van Nostrand Reinhold, 1959
Buku Referensi
Keeton, William T., author
W.W. Norton, 1967
Buku Teks
Freeman, Scott, author
Prentice-Hall, 2002
Buku Teks
edited by John Brady
Cambridge University Press, 1982
Buku Teks
Mcketta, John J.
Marcell Dekker, 1990
Buku Referensi