Lua APA (7ú heag.)
Hill, W. F. (1977). Learning thru discussion. (2nd.Rev. ed.].). Sage Publications.
Lua i Stíl Chicago (17ú heag.)
Hill, William Fawcett. Learning Thru Discussion. 2nd.Rev. ed.]. Beverly Hills, Calif.: Sage Publications, 1977.
Lua MLA (9ú heag.)
Hill, William Fawcett. Learning Thru Discussion. 2nd.Rev. ed.]. Sage Publications, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.