Gaya APA
Introduction to Herpetology. (1962).
London:
W.H Freeman and Company.
Gaya Chicago
Introduction to Herpetology.
.
London:
W.H Freeman and Company,
1962.
Buku.
Gaya MLA
Introduction to Herpetology.
.
London:
W.H Freeman and Company,
1962.
Buku.
Gaya Turabian
Introduction to Herpetology.
London:
W.H Freeman and Company,
1962.
Buku.