Cita APA

Thompson, D., Hudson, S. D., & Olsen, H. M. (2007). S.A.F.E. play areas: Creation, maintenance and renovation. United States of America: Human Kinetics.

Citación estilo Chicago

Thompson, Donna, Susan D. Hudson, y Heather M. Olsen. S.A.F.E. Play Areas: Creation, Maintenance and Renovation. United States of America: Human Kinetics, 2007.

Cita MLA

Thompson, Donna, Susan D. Hudson, y Heather M. Olsen. S.A.F.E. Play Areas: Creation, Maintenance and Renovation. United States of America: Human Kinetics, 2007.