Gaya APA
Elton, Charles.. (2001).
Animal ecology .
Chicago and London:
The University of Chicago Press.
Gaya Chicago
Elton, Charles..
Animal ecology.
Chicago and London:
The University of Chicago Press,
2001.
Text.
Gaya MLA
Elton, Charles..
Animal ecology.
Chicago and London:
The University of Chicago Press,
2001.
Text.
Gaya Turabian
Elton, Charles..
Animal ecology.
Chicago and London:
The University of Chicago Press,
2001.
Print.