Wren, P. C., & Martin, H. (2011). High School English Grammar and Composition. S. Chand & Company Ltd.
Lua i Stíl Chicago (17ú heag.)Wren, P. C., agus H. Martin. High School English Grammar and Composition. New Delhi: S. Chand & Company Ltd, 2011.
Lua MLA (9ú heag.)Wren, P. C., agus H. Martin. High School English Grammar and Composition. S. Chand & Company Ltd, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.