Dull, L. W. (1981). Supervision: School leadership handbook. Merrill.
Chicago Style (17th ed.) CitationDull, Lloyd William. Supervision: School Leadership Handbook. Columbus, Ohio: Merrill, 1981.
MLA (9th ed.) CitationDull, Lloyd William. Supervision: School Leadership Handbook. Merrill, 1981.
Warning: These citations may not always be 100% accurate.