APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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