Lucio, W. H., & McNeil, J. D. (1979). Supervision in thought and action (3d ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Lucio, William H., agus John D. McNeil. Supervision in Thought and Action. 3d ed. New York: McGraw-Hill, 1979.
Lua MLA (8ú heag.)Lucio, William H., agus John D. McNeil. Supervision in Thought and Action. 3d ed. McGraw-Hill, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.