ALLSOP, J. (1990). Cassell's students' english grammar. Binarupa Aksara.
Lua i Stíl Chicago (17ú heag.)ALLSOP, Jake. Cassell's Students' English Grammar. Jakarta: Binarupa Aksara, 1990.
Lua MLA (9ú heag.)ALLSOP, Jake. Cassell's Students' English Grammar. Binarupa Aksara, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.