Gaya APA
GRZIMEK,Bernhard. (1973).
Encyclopedia of Ecology .
New York:
Van Norstrand Reinhold.
Gaya Chicago
GRZIMEK,Bernhard.
Encyclopedia of Ecology.
New York:
Van Norstrand Reinhold,
1973.
Reference.
Gaya MLA
GRZIMEK,Bernhard.
Encyclopedia of Ecology.
New York:
Van Norstrand Reinhold,
1973.
Reference.
Gaya Turabian
GRZIMEK,Bernhard.
Encyclopedia of Ecology.
New York:
Van Norstrand Reinhold,
1973.
Reference.