APA (7e ed.) Bronvermelding

SHARPE, P. J. (1986). Barron's how to prepare for the TOEFL: Test of english as a foreign language.-- ed.5. Barron's Educational Series.

Chicago (17e ed.) Bronvermelding

SHARPE, Pamela J. Barron's How to Prepare for the TOEFL: Test of English as a Foreign Language.-- Ed.5. Woodbury: Barron's Educational Series, 1986.

MLA (9e ed.) Bronvermelding

SHARPE, Pamela J. Barron's How to Prepare for the TOEFL: Test of English as a Foreign Language.-- Ed.5. Barron's Educational Series, 1986.