Lougheed, L. (2004). Barron's how to prepare for the toefl essay: Test of english as a foreign language (Second edition.). Barron's Educational Series.
Chicago-viite (17. p.)Lougheed, Lin. Barron's How to Prepare for the Toefl Essay: Test of English as a Foreign Language. Second edition. Hauppauge: Barron's Educational Series, 2004.
MLA-viite (9. p.)Lougheed, Lin. Barron's How to Prepare for the Toefl Essay: Test of English as a Foreign Language. Second edition. Barron's Educational Series, 2004.
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