Gaya APA
Ehrlich, Paul R., EHRLICH, Anne H.. (1970).
Population Resources Environment : Issues In Human Ecology .
San Fransisco:
W.H. Freman and Company.
Gaya Chicago
Ehrlich, Paul R., EHRLICH, Anne H..
Population Resources Environment : Issues In Human Ecology.
San Fransisco:
W.H. Freman and Company,
1970.
Teks.
Gaya MLA
Ehrlich, Paul R., EHRLICH, Anne H..
Population Resources Environment : Issues In Human Ecology.
San Fransisco:
W.H. Freman and Company,
1970.
Teks.
Gaya Turabian
Ehrlich, Paul R., EHRLICH, Anne H..
Population Resources Environment : Issues In Human Ecology.
San Fransisco:
W.H. Freman and Company,
1970.
Teks.