APA-referens (7:e uppl.)

Matthiesen, S. J. (2004). Essential words for the TOEFL, test of English as a foreign language (3rd ed.). Barron's.

Chicago-referens (17:e uppl.)

Matthiesen, Steven J. Essential Words for the TOEFL, Test of English as a Foreign Language. 3rd ed. Hauppauge, N.Y: Barron's, 2004.

MLA-referens (9:e uppl.)

Matthiesen, Steven J. Essential Words for the TOEFL, Test of English as a Foreign Language. 3rd ed. Barron's, 2004.