Haas, J. E. (1973). Complex Organization: A sociological perspective. Collier-Macmillan.
Lua i Stíl Chicago (17ú heag.)Haas, J. Eugene. Complex Organization: A Sociological Perspective. London: Collier-Macmillan, 1973.
Lua MLA (9ú heag.)Haas, J. Eugene. Complex Organization: A Sociological Perspective. Collier-Macmillan, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.