Gaya APA
Population An Introduction to Concepts and Issues. (1986).
:
.
Gaya Chicago
Population An Introduction to Concepts and Issues.
1986.
:
,
1986.
Text.
Gaya MLA
Population An Introduction to Concepts and Issues.
1986.
:
,
1986.
Text.
Gaya Turabian
Population An Introduction to Concepts and Issues.
:
,
1986.
Print.