APA-referens (7:e uppl.)

Tubbs, S. L. (2001). A systems approach to small group interaction (Seven edition.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Tubbs, Stewart L. A Systems Approach to Small Group Interaction. Seven edition. Boston, Mass: McGraw-Hill, 2001.

MLA-referens (8:e uppl.)

Tubbs, Stewart L. A Systems Approach to Small Group Interaction. Seven edition. McGraw-Hill, 2001.