APA Style
Freedman, Bill. (1989).
Environmental Ecology .
San Diego:
ACADEMIC PRESS.
Chicago Style
Freedman, Bill.
Environmental Ecology.
San Diego:
ACADEMIC PRESS,
1989.
Teks.
MLA Style
Freedman, Bill.
Environmental Ecology.
San Diego:
ACADEMIC PRESS,
1989.
Teks.
Turabian Style
Freedman, Bill.
Environmental Ecology.
San Diego:
ACADEMIC PRESS,
1989.
Teks.