Dale, E. (1978). Management: Theory and practice (4th ed.). National Book Store.
Lua i Stíl Chicago (17ú heag.)Dale, Ernest. Management: Theory and Practice. 4th ed. [Manila]: National Book Store, 1978.
Lua MLA (9ú heag.)Dale, Ernest. Management: Theory and Practice. 4th ed. National Book Store, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.