Sharpe, P. J. (2006). Barron's practice exercises for the TOEFL: Test of English as a foreign language. TR.
Čikaški stil citiranjaSharpe, Pamela J. Barron's Practice Exercises for the TOEFL: Test of English As a Foreign Language. TR, 2006.
MLA način citiranjaSharpe, Pamela J. Barron's Practice Exercises for the TOEFL: Test of English As a Foreign Language. TR, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.