Gaya APA
Pepper, David. (1996).
Modern environmentalism : an introduction .
London:
Routledge.
Gaya Chicago
Pepper, David.
Modern environmentalism : an introduction.
London:
Routledge,
1996.
Text.
Gaya MLA
Pepper, David.
Modern environmentalism : an introduction.
London:
Routledge,
1996.
Text.
Gaya Turabian
Pepper, David.
Modern environmentalism : an introduction.
London:
Routledge,
1996.
Print.