Παραπομπή σε μορφή APA (7η εκδ.)

Sharp, R. M., & Metzner, S. (1996). The sneaky square and other math activities for kids (2nd ed. exp.). TAB Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sharp, Richard M., και Seymour Metzner. The Sneaky Square and Other Math Activities for Kids. 2nd ed. exp. New York: TAB Books, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sharp, Richard M., και Seymour Metzner. The Sneaky Square and Other Math Activities for Kids. 2nd ed. exp. TAB Books, 1996.