Gaya APA
Caldwell, John C.. (1982).
Theory of fertility decline .
London:
Academic Press.
Gaya Chicago
Caldwell, John C..
Theory of fertility decline.
London:
Academic Press,
1982.
Text.
Gaya MLA
Caldwell, John C..
Theory of fertility decline.
London:
Academic Press,
1982.
Text.
Gaya Turabian
Caldwell, John C..
Theory of fertility decline.
London:
Academic Press,
1982.
Print.