APA Style
Gregory, G. Robinson. (1987).
Resource economics for forester .
New York:
John Wiley & Sons.
Chicago Style
Gregory, G. Robinson.
Resource economics for forester.
New York:
John Wiley & Sons,
1987.
Text.
MLA Style
Gregory, G. Robinson.
Resource economics for forester.
New York:
John Wiley & Sons,
1987.
Text.
Turabian Style
Gregory, G. Robinson.
Resource economics for forester.
New York:
John Wiley & Sons,
1987.
Print.