Gaya APA
Marks, J, R., , . (1985).
Handbook of educational supervision a guide for the practitioner .
Boston:
Boston: Allyn Bacon; 1985.
Gaya MLA
Marks, James, Robert., , .
"Handbook of educational supervision a guide for the practitioner".
Boston:
Boston: Allyn Bacon; 1985,
1985.
Text.