Gaya APA
EHRLICH, Paul R, EHRLICH Anne H.. (1973).
Human Ecology problem and Solutions .
New York:
W.H. Freeman And Company.
Gaya Chicago
EHRLICH, Paul R, EHRLICH Anne H..
Human Ecology problem and Solutions.
New York:
W.H. Freeman And Company,
1973.
Teks.
Gaya MLA
EHRLICH, Paul R, EHRLICH Anne H..
Human Ecology problem and Solutions.
New York:
W.H. Freeman And Company,
1973.
Teks.
Gaya Turabian
EHRLICH, Paul R, EHRLICH Anne H..
Human Ecology problem and Solutions.
New York:
W.H. Freeman And Company,
1973.
Teks.