APA ציטוט

Frost, J. L., & Klein, B. L. (1979). Children's play and playgrounds. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Frost, Joe L., and Barry L. Klein. Children's Play and Playgrounds. Boston: Allyn and Bacon, 1979.

ציטוט MLA

Frost, Joe L., and Barry L. Klein. Children's Play and Playgrounds. Allyn and Bacon, 1979.