APA (7th ed.) Zitazioa
Matthiesen, S. J. (2017). Barron's essential words for the TOEFL: Test of English as a Foreign Language (Seventh edition.). Barron's Educational Series, Inc..
Chicago Style (17th ed.) Zitazioa
Matthiesen, Steven J. Barron's Essential Words for the TOEFL: Test of English as a Foreign Language. Seventh edition. Hauppauge, New York: Barron's Educational Series, Inc., 2017.
MLA (9th ed.) Zitazioa
Matthiesen, Steven J. Barron's Essential Words for the TOEFL: Test of English as a Foreign Language. Seventh edition. Barron's Educational Series, Inc., 2017.
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