APA (7th ed.) Citation

Dull, L. W. (1981). Supervision: School leadership handbook. Merrill.

Chicago Style (17th ed.) Citation

Dull, Lloyd William. Supervision: School Leadership Handbook. Columbus, Ohio: Merrill, 1981.

MLA (9th ed.) Citation

Dull, Lloyd William. Supervision: School Leadership Handbook. Merrill, 1981.