Lua APA (7ú heag.)

Ferree, T., & Sanabria, K. North star. Focus on listening and speaking.

Lua i Stíl Chicago (17ú heag.)

Ferree, Tess, agus Kim Sanabria. North Star. Focus on Listening and Speaking.

Lua MLA (8ú heag.)

Ferree, Tess, agus Kim Sanabria. North Star. Focus on Listening and Speaking.

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