APA aipamena

Keen, S. (1986). Faces of the enemy: Reflections of the hostile imagination. Harper & Row.

Chicago Style aipamena

Keen, Sam. Faces of the Enemy: Reflections of the Hostile Imagination. San Francisco: Harper & Row, 1986.

MLA aipamena

Keen, Sam. Faces of the Enemy: Reflections of the Hostile Imagination. Harper & Row, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.