Sullivan, T. J. (1997). Introduction to social problems (4th ed.). Allyn and Bacon.
Chicago (17e ed.) BronvermeldingSullivan, Thomas J. Introduction to Social Problems. 4th ed. Boston: Allyn and Bacon, 1997.
MLA (9e ed.) BronvermeldingSullivan, Thomas J. Introduction to Social Problems. 4th ed. Allyn and Bacon, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.