Dale, E. (1969). Management: Theory and practice. Mcgraw-Hill.
Lua i Stíl Chicago (17ú heag.)Dale, Ernest. Management: Theory and Practice. New York: Mcgraw-Hill, 1969.
Lua MLA (9ú heag.)Dale, Ernest. Management: Theory and Practice. Mcgraw-Hill, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.