Gaya APA
Greeley, William B.. (1953).
Forest policy .
New York:
The McGraw-Hill Book Company, Inc..
Gaya Chicago
Greeley, William B..
Forest policy.
New York:
The McGraw-Hill Book Company, Inc.,
1953.
.
Gaya MLA
Greeley, William B..
Forest policy.
New York:
The McGraw-Hill Book Company, Inc.,
1953.
.
Gaya Turabian
Greeley, William B..
Forest policy.
New York:
The McGraw-Hill Book Company, Inc.,
1953.
.