edited by Griffith Edwards ... [et at.]
Saxon House, 1976
Buku Teks
Carroll, Charles R., author
McGraw-Hill, 2000
Buku Teks
edited by Kent R. Olson
Aplleton & Lange, 1996
Buku Teks
Ray, Oakley S.
The C. V. Mosby Company, 1972
Buku Teks
Shannon, Michael W, author
Saunders, 2007
Buku Teks