Orr, L. (1990). The Homeless: Opposing viewpoints. Greenhaven Press.
Cita Chicago (17th ed.)Orr, Lisa. The Homeless: Opposing Viewpoints. San Diego, CA: Greenhaven Press, 1990.
Cita MLA (8th ed.)Orr, Lisa. The Homeless: Opposing Viewpoints. Greenhaven Press, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.