APA-referens (7:e uppl.)

SHARPE, P. J. (2005). Barron's practice exercises for the TOEFL test of english as a foreign language.-- ed.5. Binarupa Aksara.

Chicago-referens (17:e uppl.)

SHARPE, Pamela J. Barron's Practice Exercises for the TOEFL Test of English as a Foreign Language.-- Ed.5. Jakarta: Binarupa Aksara, 2005.

MLA-referens (9:e uppl.)

SHARPE, Pamela J. Barron's Practice Exercises for the TOEFL Test of English as a Foreign Language.-- Ed.5. Binarupa Aksara, 2005.