Parse, Rosemarie Rizzo, author
W.B. Saunders, 1987
Buku Teks
Cottone, R. Rocco, author
Allyn & Bacon, 1992
Buku Teks
Ken-ichi Ohbuchi, editor; Leonie R. Stickland, translator
Trans Pacific Press, 2007
Buku Teks
Hunt, Diana, author
Harvester Wheatsheaf, 1989
Buku Teks
Parker, Marilyn E., author
F.A. Davis , 2001
Buku Teks