APA Style
Gerking, Shelby D.. (1969).
Biological systems .
New York:
Suanders.
Chicago Style
Gerking, Shelby D..
Biological systems.
New York:
Suanders,
1969.
teks.
MLA Style
Gerking, Shelby D..
Biological systems.
New York:
Suanders,
1969.
teks.
Turabian Style
Gerking, Shelby D..
Biological systems.
New York:
Suanders,
1969.
teks.