APA način citiranja (7. izdanje)

Barell, J. (1980). Playgrounds of our minds. Teachers College Press.

Čikaški stil citiranja (17. izdanje)

Barell, John. Playgrounds of Our Minds. New York: Teachers College Press, 1980.

MLA način citiranja (9. izdanje)

Barell, John. Playgrounds of Our Minds. Teachers College Press, 1980.