Gaya APA
SMITH, Paul E.. (1966).
Our Environment How We Adapt Ourselves to It .
New York:
McGraw Hill Book Company.
Gaya Chicago
SMITH, Paul E..
Our Environment How We Adapt Ourselves to It.
New York:
McGraw Hill Book Company,
1966.
Teks.
Gaya MLA
SMITH, Paul E..
Our Environment How We Adapt Ourselves to It.
New York:
McGraw Hill Book Company,
1966.
Teks.
Gaya Turabian
SMITH, Paul E..
Our Environment How We Adapt Ourselves to It.
New York:
McGraw Hill Book Company,
1966.
Teks.