Lua APA (7ú heag.)
Ogundipe P. A. & Tregidgo P. S. (1972). Practical English: A comprehensive secondary course. Book three. Longman.
Lua i Stíl Chicago (17ú heag.)
Ogundipe P. A. agus Tregidgo P. S. Practical English: A Comprehensive Secondary Course. Book Three. England: Longman, 1972.
Lua MLA (9ú heag.)
Ogundipe P. A. agus Tregidgo P. S. Practical English: A Comprehensive Secondary Course. Book Three. Longman, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.