Gaya APA
Farb, Peter. (1973).
Ecology .
New York:
Time Life Books.
Gaya Chicago
Farb, Peter.
Ecology.
New York:
Time Life Books,
1973.
Text.
Gaya MLA
Farb, Peter.
Ecology.
New York:
Time Life Books,
1973.
Text.
Gaya Turabian
Farb, Peter.
Ecology.
New York:
Time Life Books,
1973.
Print.