Tro, Nivaldo J., author
Thomson, Brooks/Cole, 2007
Buku Teks
Suchocki, John, author
Pearson Benjamin Cummings, 2007
Buku Teks
Jackson, W.A. Douglas, author
John Wiley & Sons, 1985
Buku Teks
Oxford Oxford University Press 1987,
Buku Teks
Dallmayr, Fred R. (Fred Reinhard), 1928-, author
Rowman & Littlefield Publishers, Inc., 2001
Buku Teks