Lua APA (7ú heag.)
Larson, B. (1967). Groups that work: The missing ingredient. Zondervan Pub. House.
Lua i Stíl Chicago (17ú heag.)
Larson, Bruce. Groups That Work: The Missing Ingredient. Grand Rapids: Zondervan Pub. House, 1967.
Lua MLA (9ú heag.)
Larson, Bruce. Groups That Work: The Missing Ingredient. Zondervan Pub. House, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.