APA Style
Duerr, William A.. ().
Timber Problems Prospects Policies .
:
.
Chicago Style
Duerr, William A..
Timber Problems Prospects Policies.
:
,
.
Text.
MLA Style
Duerr, William A..
Timber Problems Prospects Policies.
:
,
.
Text.
Turabian Style
Duerr, William A..
Timber Problems Prospects Policies.
:
,
.
Print.