Gaya APA

McKenna, G. (1991). Taking sides: clashing views on controversial political issues (7 th ed.). Guilford, Connecticut: The Dushkin Publishing Group, Inc..

Gaya MLA

McKenna, George. "Taking sides: clashing views on controversial political issues". 7 th ed. Guilford, Connecticut: The Dushkin Publishing Group, Inc., 1991. Text.