Gaya APA

STRASSER, H., Randall, S, C. (1981). An Introduction to Theories of Social Change (First Published). London: Routledge & Kegan Paul.

Gaya MLA

STRASSER, Hermann., Randall, Susan, C.. "An Introduction to Theories of Social Change". First Published London: Routledge & Kegan Paul, 1981. Text.