Lua APA (7ú heag.)

Langan, J. (1998). Reading and study skills (6th ed.). McGraw-Hill Higher Education.

Lua i Stíl Chicago (17ú heag.)

Langan, John. Reading and Study Skills. 6th ed. New York, NY : Bostom: McGraw-Hill Higher Education, 1998.

Lua MLA (8ú heag.)

Langan, John. Reading and Study Skills. 6th ed. McGraw-Hill Higher Education, 1998.

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