Gaya APA
dkk, J, H, S. (2004).
Handbook for Qualities of Effective Teachers .
Amerika:
Association for Supervision adn Curriculum Development (ASCD),.
Gaya MLA
dkk, James, H., Stronge,.
"Handbook for Qualities of Effective Teachers".
Amerika:
Association for Supervision adn Curriculum Development (ASCD),,
2004.
Text.