Cottone, R. Rocco
Allyn & Bacon, 1992
Buku Teks
Ken-ichi Ohbuchi, editor; Leonie R. Stickland, translator
Trans Pacific Press, 2007
Buku Teks
Hunt, Diana
Harvester Wheatsheaf, 1989
Buku Teks
Parker, Marilyn E.
F.A. Davis , 2001
Buku Teks
McKenna, Hugh
Routledge , 1997
Buku Teks