Gaya APA

Byham, W, C. (). Zapp in education: how empowerment can improve the quality of instruction, and student and teacher.. . New York: Fawoett Columbine, 1992.

Gaya MLA

Byham, William, C.. "Zapp in education: how empowerment can improve the quality of instruction, and student and teacher..". New York: Fawoett Columbine, 1992, . Text.