Forsyth, D. R. (2010). Group dynamics (5th ed.). Wadsworth.
Lua i Stíl Chicago (17ú heag.)Forsyth, Donelson R. Group Dynamics. 5th ed. Australia: Wadsworth, 2010.
Lua MLA (9ú heag.)Forsyth, Donelson R. Group Dynamics. 5th ed. Wadsworth, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.