APA-referens (7:e uppl.)

SHARPE, P. J. (1992). Barron's How To Prepare For The Toefl Test Of English As A Foreign Language. Binarupa Aksara.

Chicago-referens (17:e uppl.)

SHARPE, Pamela J. Barron's How To Prepare For The Toefl Test Of English As A Foreign Language. Binarupa Aksara, 1992.

MLA-referens (8:e uppl.)

SHARPE, Pamela J. Barron's How To Prepare For The Toefl Test Of English As A Foreign Language. Binarupa Aksara, 1992.

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