Gaya APA
Smith, Robert Leo, Smith, Thomas S.. (2001).
Ecology & field biology (6th ed.).
San Francisco:
Benjamin Cummings.
Gaya Chicago
Smith, Robert Leo, Smith, Thomas S..
Ecology & field biology.
6th ed.
San Francisco:
Benjamin Cummings,
2001.
Text.
Gaya MLA
Smith, Robert Leo, Smith, Thomas S..
Ecology & field biology.
6th ed.
San Francisco:
Benjamin Cummings,
2001.
Text.
Gaya Turabian
Smith, Robert Leo, Smith, Thomas S..
Ecology & field biology.
6th ed.
San Francisco:
Benjamin Cummings,
2001.
Print.