Allen, L. A. (1958). Management and organization. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Allen, Louis A. Management and Organization. New York: McGraw-Hill, 1958.
Lua MLA (9ú heag.)Allen, Louis A. Management and Organization. McGraw-Hill, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.