Untermann, R. K., & Small, R. E. (1977). Site planning for cluster housing. Van Nostrand Reinhold.
Cita Chicago (17th ed.)Untermann, Richard K., i Robert E. Small. Site Planning for Cluster Housing. New York: Van Nostrand Reinhold, 1977.
Cita MLA (8th ed.)Untermann, Richard K., i Robert E. Small. Site Planning for Cluster Housing. Van Nostrand Reinhold, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.