Lua APA (7ú heag.)

Não informado. (1952). Adult leadership. Adult Education Association of the United States of America.

Lua i Stíl Chicago (17ú heag.)

Não informado. Adult Leadership. Washington: Adult Education Association of the United States of America, 1952.

Lua MLA (8ú heag.)

Não informado. Adult Leadership. Adult Education Association of the United States of America, 1952.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.