APA aipamena

Orr, L. (1990). The Homeless: Opposing viewpoints. Greenhaven Press.

Chicago Style aipamena

Orr, Lisa. The Homeless: Opposing Viewpoints. San Diego, CA: Greenhaven Press, 1990.

MLA aipamena

Orr, Lisa. The Homeless: Opposing Viewpoints. Greenhaven Press, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.