Gaya APA

Bull, S, L., Solity, J, E. (1996). Classroom management : principles to practice / Shirley L. Bull and Jonathan E. Solity . Lomdon: Routledge.

Gaya MLA

Bull, Shirley, L.., Solity, Jonathan, E.. "Classroom management : principles to practice / Shirley L. Bull and Jonathan E. Solity". Lomdon: Routledge, 1996. Buku.