Wiles, J., & Bondi, J. (1991). Supervision: A guide to practice (3rd ed.). Merrill.
Chicago Style aipamenaWiles, Jon, and Joseph Bondi. Supervision: A Guide to Practice. 3rd ed. New York: Merrill, 1991.
MLA aipamenaWiles, Jon, and Joseph Bondi. Supervision: A Guide to Practice. 3rd ed. Merrill, 1991.
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