Παραπομπή σε μορφή APA (7η εκδ.)

Sharpe Pamela J. (1996). How to prepare for the TOEFL test: Test of English as a foreign language (8th ed.). Barron's.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sharpe Pamela J. How to Prepare for the TOEFL Test: Test of English as a Foreign Language. 8th ed. Barron's, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sharpe Pamela J. How to Prepare for the TOEFL Test: Test of English as a Foreign Language. 8th ed. Barron's, 1996.