Gaya APA
Petersen, William. (1975).
Population (3rd ed).
New York:
Macmillan.
Gaya Chicago
Petersen, William.
Population.
3rd ed
New York:
Macmillan,
1975.
Text.
Gaya MLA
Petersen, William.
Population.
3rd ed
New York:
Macmillan,
1975.
Text.
Gaya Turabian
Petersen, William.
Population.
3rd ed
New York:
Macmillan,
1975.
Print.