Dyfyniad APA

King, K., & Ball, D. (1989). A holistic approach to accident and injury prevention in children's playgrounds. LSS.

Dyfyniad Arddull Chicago

King, Karen, and David Ball. A Holistic Approach to Accident and Injury Prevention in Children's Playgrounds. London: LSS, 1989.

Dyfyniad MLA

King, Karen, and David Ball. A Holistic Approach to Accident and Injury Prevention in Children's Playgrounds. LSS, 1989.

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