Gaya APA
Asia, Australia, New Zealand, Oceania. (1981).
United States:
Grolier.
Gaya Chicago
Asia, Australia, New Zealand, Oceania.
.
United States:
Grolier,
1981.
Text.
Gaya MLA
Asia, Australia, New Zealand, Oceania.
.
United States:
Grolier,
1981.
Text.
Gaya Turabian
Asia, Australia, New Zealand, Oceania.
United States:
Grolier,
1981.
Print.