Gaya APA
PETERSEN, William. (1972).
Population (2nd.ed).
London:
The Macmillan Company.
Gaya Chicago
PETERSEN, William.
Population.
2nd.ed
London:
The Macmillan Company,
1972.
Teks.
Gaya MLA
PETERSEN, William.
Population.
2nd.ed
London:
The Macmillan Company,
1972.
Teks.
Gaya Turabian
PETERSEN, William.
Population.
2nd.ed
London:
The Macmillan Company,
1972.
Teks.