APA način citiranja (7. izdanje)
ebrary, Inc, & Lewis, N. L. (2002). Freedom to play: We made our own fun. Wilfrid Laurier University Press.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, i Norah Lillian Lewis. Freedom to Play: We Made Our Own Fun. Waterloo, Ont.: Wilfrid Laurier University Press, 2002.
MLA način citiranja (9. izdanje)
ebrary, Inc, i Norah Lillian Lewis. Freedom to Play: We Made Our Own Fun. Wilfrid Laurier University Press, 2002.
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