Gaya APA
Wallen, C, J., L, I, W, L. (1978).
Effective Classroom management .
Boston:
Boston: Allyn and Bacon; 1978.
Gaya MLA
Wallen, Carl, J.., L, I., Wallen,, LaDonna.
"Effective Classroom management".
Boston:
Boston: Allyn and Bacon; 1978,
1978.
Text.