Harcourt, A. H., & Stewart, K. J. (2007). Gorilla society: Conflict, compromise, and cooperation between the sexes. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Harcourt, A. H., agus Kelly J. Stewart. Gorilla Society: Conflict, Compromise, and Cooperation Between the Sexes. Chicago: University of Chicago Press, 2007.
Lua MLA (9ú heag.)Harcourt, A. H., agus Kelly J. Stewart. Gorilla Society: Conflict, Compromise, and Cooperation Between the Sexes. University of Chicago Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.