Lua APA (7ú heag.)

Kernan, D. (1975). Steps to English (Teacher's ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Kernan, Doris. Steps to English. Teacher's ed. New York ; St. Louis [etc.]: McGraw-Hill, 1975.

Lua MLA (8ú heag.)

Kernan, Doris. Steps to English. Teacher's ed. McGraw-Hill, 1975.

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