Gaya APA

Kellough, R, D., Roberts, P, L. (1985). A resource guide for elementary scholl teaching : planning for competence . New York: Macmillan Publishing Co.

Gaya MLA

Kellough, Richard, D.., Roberts, Patricia, L. "A resource guide for elementary scholl teaching : planning for competence". New York: Macmillan Publishing Co, 1985. Text.