Lua APA (7ú heag.)

KIMBROUGH, V. F., & VAI, M. (1991). English on call level one. McGraw-hill.

Lua i Stíl Chicago (17ú heag.)

KIMBROUGH, Victoria F., agus Marjorie VAI. English on Call Level One. New York: McGraw-hill, 1991.

Lua MLA (9ú heag.)

KIMBROUGH, Victoria F., agus Marjorie VAI. English on Call Level One. McGraw-hill, 1991.

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