Lua APA (7ú heag.)

Cortina, J., Elder, J., & Gonnet, K. (1995). Opening doors: Understanding college reading. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Cortina, Joe, Janet Elder, agus Katherine Gonnet. Opening Doors: Understanding College Reading. New York: McGraw-Hill, 1995.

Lua MLA (8ú heag.)

Cortina, Joe, et al. Opening Doors: Understanding College Reading. McGraw-Hill, 1995.

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