Gaya APA
Simonds, J, O.
(1978).
Earthscape: a manual of environmental planning
.
ew York:
Van Nostrand Reinhold.
Gaya MLA
Simonds, John, Ormsbee..
"Earthscape: a manual of environmental planning".
ew York:
Van Nostrand Reinhold,
1978.
Printed Book.