Penggayaan APA
EHRLICH, Paul R., EHRLICH, Anne H.. (1970).
Population resources environment : .
San Francisco:
W.H. Freeman and Company.
Chicago Style
EHRLICH, Paul R., EHRLICH, Anne H..
Population resources environment :.
San Francisco:
W.H. Freeman and Company,
1970.
Buku.
MLA Style
EHRLICH, Paul R., EHRLICH, Anne H..
Population resources environment :.
San Francisco:
W.H. Freeman and Company,
1970.
Buku.
Turabian Style
EHRLICH, Paul R., EHRLICH, Anne H..
Population resources environment :.
San Francisco:
W.H. Freeman and Company,
1970.
Buku.