Lua APA (7ú heag.)
Hannan, M. T., & Freeman, J. (1989). Organizational ecology. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)
Hannan, Michael T., agus John Freeman. Organizational Ecology. Cambridge, MA: Harvard University Press, 1989.
Lua MLA (9ú heag.)
Hannan, Michael T., agus John Freeman. Organizational Ecology. Harvard University Press, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.