Feingold, S., & McKenna, G. (2004). Clashing views on controversial political issues (Thirteenth edition.). Guilford, Conn.: Dushkin Pub. Group.
Chicago Style aipamenaFeingold, Stanley, và George McKenna. Clashing Views On Controversial Political Issues. Thirteenth edition. Guilford, Conn.: Dushkin Pub. Group, 2004.
MLA aipamenaFeingold, Stanley, và George McKenna. Clashing Views On Controversial Political Issues. Thirteenth edition. Guilford, Conn.: Dushkin Pub. Group, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.