APA Style
Gregory , G . R.. ().
Resource Economics for Foresters .
New York:
John Wiley & Sons.
Chicago Style
Gregory , G . R..
Resource Economics for Foresters.
New York:
John Wiley & Sons,
.
Text.
MLA Style
Gregory , G . R..
Resource Economics for Foresters.
New York:
John Wiley & Sons,
.
Text.
Turabian Style
Gregory , G . R..
Resource Economics for Foresters.
New York:
John Wiley & Sons,
.
Print.