Gaya APA

Petruccio, S, J., Korman, J. (1993). Tonka: Working Hard With The Mighty Dump Truck . New York: Scolastic.

Gaya MLA

Petruccio, Steven, James., Korman, Justine. "Tonka: Working Hard With The Mighty Dump Truck". New York: Scolastic, 1993. Test Book.