Florence, P. Sargant, author
Routledge & Kegan Paul, 1957
Buku Teks
[compiled by] John A. Pearce II, Richard B. Robinson, Jr.
McGraw-Hill, 1987
Buku Teks
Cunningham, William H., author
South-Western, 1984
Buku Teks
Monsen, R. Joseph, author
Houghton Mifflin, 1967
Buku Teks
edited by R. Ampalavanar Brown
Routledge, 1996
Buku Teks