Lua APA (7ú heag.)

Campbell, M. (1989). 1-2-3 a su alcance. Osbone: MacGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Campbell, Mary. 1-2-3 a Su Alcance. Madrid: Osbone: MacGraw-Hill, 1989.

Lua MLA (9ú heag.)

Campbell, Mary. 1-2-3 a Su Alcance. Osbone: MacGraw-Hill, 1989.

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