APA Style
Gerking, Shelby D.. (1974).
Biological systems (Ed.2).
Philadelphia:
W.B. Saunders Company.
Chicago Style
Gerking, Shelby D..
Biological systems.
Ed.2
Philadelphia:
W.B. Saunders Company,
1974.
Buku Teks.
MLA Style
Gerking, Shelby D..
Biological systems.
Ed.2
Philadelphia:
W.B. Saunders Company,
1974.
Buku Teks.
Turabian Style
Gerking, Shelby D..
Biological systems.
Ed.2
Philadelphia:
W.B. Saunders Company,
1974.
Buku Teks.