APA Style
Berck, Peter, Helfand, Gloria. (2011).
The economics of the environment .
Boston:
Pearson Education.
Chicago Style
Berck, Peter, Helfand, Gloria.
The economics of the environment.
Boston:
Pearson Education,
2011.
Buku Teks.
MLA Style
Berck, Peter, Helfand, Gloria.
The economics of the environment.
Boston:
Pearson Education,
2011.
Buku Teks.
Turabian Style
Berck, Peter, Helfand, Gloria.
The economics of the environment.
Boston:
Pearson Education,
2011.
Buku Teks.