Balbach, Margaret, author
Brace Jovanovich College, 1991
Buku Teks
editors, Norman K. Wessells, Elizabeth M. Center
William Kaufmann, 1973
Buku Teks
Rugh, Roberts, author
Burgess, 1961
Buku Teks
Fischbach, Frances Talaska, author
J.B. Lippincott, 1996
Buku Teks
A-Four Tech Co., Ltd., 1990
Buku Teks