Gaya APA

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

Gaya MLA

Bertrand, Alvin, L.. "Basic Sociology: An Introduction to Theory and Method". 2 New York: Appleton-Century-Crofts, 1973. Lawas.