APA Style
Wortman, L.A., Douglass,R.W. (1982).
Forest Recreation ( Third Edition ) .
New York:
Pergamon Press Inc..
Chicago Style
Wortman, L.A., Douglass,R.W.
Forest Recreation ( Third Edition ).
New York:
Pergamon Press Inc.,
1982.
.
MLA Style
Wortman, L.A., Douglass,R.W.
Forest Recreation ( Third Edition ).
New York:
Pergamon Press Inc.,
1982.
.
Turabian Style
Wortman, L.A., Douglass,R.W.
Forest Recreation ( Third Edition ).
New York:
Pergamon Press Inc.,
1982.
.