Gaya APA
Bertrand, A., L. (1973).
Basic Sociology: An Introduction to Theory and Method (2).
New York:
Appleton-Century-Crofts.
Gaya MLA
Bertrand, A., L..
Basic Sociology: An Introduction to Theory and Method.
2
New York:
Appleton-Century-Crofts,
1973.
Lawas.