MAS'UD, F. (1992). Essentials of English grammar: A practical guide.--Ed.2. BPFE.
Lua i Stíl Chicago (17ú heag.)MAS'UD, Fuad. Essentials of English Grammar: A Practical Guide.--Ed.2. Yogyakarta: BPFE, 1992.
Lua MLA (9ú heag.)MAS'UD, Fuad. Essentials of English Grammar: A Practical Guide.--Ed.2. BPFE, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.