Lua APA (7ú heag.)

Powell, L. S. (1969). Communication and learning. Pitman.

Lua i Stíl Chicago (17ú heag.)

Powell, Leonard Sutherland. Communication and Learning. London: Pitman, 1969.

Lua MLA (8ú heag.)

Powell, Leonard Sutherland. Communication and Learning. Pitman, 1969.

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