Gaya APA

Ryan, M, N, F, R, K, H, J, M. (2002). The Educator's Desk Reference (EDR) . : Greenwood Publishing Group.

Gaya MLA

Ryan, Melvyn, N., Freed;, Robert, K., Hess;, Joseph, M.. "The Educator's Desk Reference (EDR)". : Greenwood Publishing Group, 2002. Text.