Gaya APA
Ehrlich, Paul R.. (1970).
Population resources environment: issues in human ecology / Paul R. Ehrlich, Anne H. Ehrlich .
:
San Francisco: W.H. Freeman.
Gaya Chicago
Ehrlich, Paul R..
Population resources environment: issues in human ecology / Paul R. Ehrlich, Anne H. Ehrlich.
:
San Francisco: W.H. Freeman,
1970.
Buku.
Gaya MLA
Ehrlich, Paul R..
Population resources environment: issues in human ecology / Paul R. Ehrlich, Anne H. Ehrlich.
:
San Francisco: W.H. Freeman,
1970.
Buku.
Gaya Turabian
Ehrlich, Paul R..
Population resources environment: issues in human ecology / Paul R. Ehrlich, Anne H. Ehrlich.
:
San Francisco: W.H. Freeman,
1970.
Buku.