Shier, Douglas R., author
Oxford University Press, 1991
Buku Teks
Neufelder, Ann Marie, author
Marcel Dekker, 1993
Buku Teks
Ditlevsen, O., author
John Wiley & Sons, 1996
Buku Teks
Lewis, E.E. (Elmer Eugene), 1938-, author
John Wiley & Sons, 1996
Buku Teks
O`Connor, Patrick D.T., author
John Wiley & Sons, 1995
Buku Teks