Percy, D., & Leunig, M. (1983). Study tactics: A guide to the art of studying. Macmillan.
Lua i Stíl Chicago (17ú heag.)Percy, Diana, agus Michael Leunig. Study Tactics: A Guide to the Art of Studying. South Melbourne: Macmillan, 1983.
Lua MLA (9ú heag.)Percy, Diana, agus Michael Leunig. Study Tactics: A Guide to the Art of Studying. Macmillan, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.