Gaya APA

E., B, A., A., W, R. (2001). The Classroom Observer ; Developing Observation Skills In Early Childhood Settings (Trawas) . New York: Teachers Collage Press.

Gaya MLA

E., Boehm, Ann., A., Weinberg, Richard. "The Classroom Observer ; Developing Observation Skills In Early Childhood Settings (Trawas)". New York: Teachers Collage Press, 2001. Text.