Gaya APA
SMITH, Robert Leo. (1975).
Ecology And Field Biology (4th ed.).
New York:
HarperCollins Publishers.
Gaya Chicago
SMITH, Robert Leo.
Ecology And Field Biology.
4th ed.
New York:
HarperCollins Publishers,
1975.
Teks.
Gaya MLA
SMITH, Robert Leo.
Ecology And Field Biology.
4th ed.
New York:
HarperCollins Publishers,
1975.
Teks.
Gaya Turabian
SMITH, Robert Leo.
Ecology And Field Biology.
4th ed.
New York:
HarperCollins Publishers,
1975.
Teks.