Rudolph, N. (1974). Workyards: Playgrounds planned for adventure. Teachers College Press.
Čikaški stil citiranja (17. izdanje)Rudolph, Nancy. Workyards: Playgrounds Planned for Adventure. New York: Teachers College Press, 1974.
MLA način citiranja (8. izdanje)Rudolph, Nancy. Workyards: Playgrounds Planned for Adventure. Teachers College Press, 1974.
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