Gaya APA
The Population Debate. (1967).
Amerika:
Hutchinson & Co.
Gaya Chicago
The Population Debate.
.
Amerika:
Hutchinson & Co,
1967.
.
Gaya MLA
The Population Debate.
.
Amerika:
Hutchinson & Co,
1967.
.
Gaya Turabian
The Population Debate.
Amerika:
Hutchinson & Co,
1967.
.