Gaya APA
EHRLICH, Paul R, EHRLICH, Anne H.. ().
Population Resources Environment Issues in Human Ecology .
W.H Freeman:
San Francisco.
Gaya Chicago
EHRLICH, Paul R, EHRLICH, Anne H..
Population Resources Environment Issues in Human Ecology.
W.H Freeman:
San Francisco,
.
Teks.
Gaya MLA
EHRLICH, Paul R, EHRLICH, Anne H..
Population Resources Environment Issues in Human Ecology.
W.H Freeman:
San Francisco,
.
Teks.
Gaya Turabian
EHRLICH, Paul R, EHRLICH, Anne H..
Population Resources Environment Issues in Human Ecology.
W.H Freeman:
San Francisco,
.
Teks.