Gaya APA
Baumol, William J, Oates, Wallace F. (1993).
The Theory of Enviromental Policy (2).
United States of America:
Cambridge University Press.
Gaya Chicago
Baumol, William J, Oates, Wallace F.
The Theory of Enviromental Policy.
2
United States of America:
Cambridge University Press,
1993.
Texts.
Gaya MLA
Baumol, William J, Oates, Wallace F.
The Theory of Enviromental Policy.
2
United States of America:
Cambridge University Press,
1993.
Texts.
Gaya Turabian
Baumol, William J, Oates, Wallace F.
The Theory of Enviromental Policy.
2
United States of America:
Cambridge University Press,
1993.
Texts.