Lua APA (7ú heag.)
Frank, M. Modern English Exercises for Non-Native Speakers: Part I : Parts of Speech. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)
Frank, Marcella. Modern English Exercises for Non-Native Speakers: Part I : Parts of Speech. Englewood Cliffs, EUA: Prentice-Hall.
Lua MLA (9ú heag.)
Frank, Marcella. Modern English Exercises for Non-Native Speakers: Part I : Parts of Speech. Prentice-Hall.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.