Gaya APA

Kerbo, H, R. (2006). Social stratification and inequality : class conflict in historical, comparative, and global perspective (6th ed.). Boston, Massachusetts: McGraw-Hill/Higher Education.

Gaya MLA

Kerbo, Harold, R.. "Social stratification and inequality : class conflict in historical, comparative, and global perspective". 6th ed. Boston, Massachusetts: McGraw-Hill/Higher Education, 2006. Text.