Gaya APA
Vegetation and Watershed Management. (1953).
Amerika:
The Ronald Press Company.
Gaya Chicago
Vegetation and Watershed Management.
.
Amerika:
The Ronald Press Company,
1953.
.
Gaya MLA
Vegetation and Watershed Management.
.
Amerika:
The Ronald Press Company,
1953.
.
Gaya Turabian
Vegetation and Watershed Management.
Amerika:
The Ronald Press Company,
1953.
.