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