Gaya APA
O'Riordan, T. (1976).
Enviromentalism .
London:
Pion Limited.
Gaya Chicago
O'Riordan, T.
Enviromentalism.
London:
Pion Limited,
1976.
Text.
Gaya MLA
O'Riordan, T.
Enviromentalism.
London:
Pion Limited,
1976.
Text.
Gaya Turabian
O'Riordan, T.
Enviromentalism.
London:
Pion Limited,
1976.
Print.