Cohen, R., & Harrop, J. (1984). Creative play director (2nd ed.). Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Cohen, Robert, i John Harrop. Creative Play Director. 2nd ed. Englewood Cliffs, N. J: Prentice-Hall, 1984.
MLA način citiranja (9. izdanje)Cohen, Robert, i John Harrop. Creative Play Director. 2nd ed. Prentice-Hall, 1984.
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