Gaya APA
Hartwick, John M., Olewiler, Nancy D.. (1986).
The Economics of natural resources use .
New York:
Harper & Row.
Gaya Chicago
Hartwick, John M., Olewiler, Nancy D..
The Economics of natural resources use.
New York:
Harper & Row,
1986.
Text.
Gaya MLA
Hartwick, John M., Olewiler, Nancy D..
The Economics of natural resources use.
New York:
Harper & Row,
1986.
Text.
Gaya Turabian
Hartwick, John M., Olewiler, Nancy D..
The Economics of natural resources use.
New York:
Harper & Row,
1986.
Print.