ADULT & DAVIS, J. W. [. (1991). Adult learner's english book 2. Binarupa Aksara.
Lua i Stíl Chicago (17ú heag.)ADULT agus John W [ed] DAVIS. Adult Learner's English Book 2. Jakarta: Binarupa Aksara, 1991.
Lua MLA (9ú heag.)ADULT agus John W [ed] DAVIS. Adult Learner's English Book 2. Binarupa Aksara, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.