Gaya APA
SCHWARTZ, S, I, [.
(1989).
PRINCIPLES of surgery :
(
5th ed.)
.
New York:
McGraw-Hill.
Gaya MLA
SCHWARTZ, Seymour, I., [ed.].
"PRINCIPLES of surgery :".
5th ed.
New York:
McGraw-Hill,
1989.
Buku.