Lua APA (7ú heag.)

Williams, S. (1999). Focus on vocabulary. Cornelsen & Oxford.

Lua i Stíl Chicago (17ú heag.)

Williams, Steve. Focus on Vocabulary. Berlin: Cornelsen & Oxford, 1999.

Lua MLA (8ú heag.)

Williams, Steve. Focus on Vocabulary. Cornelsen & Oxford, 1999.

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