APA-referens (7:e uppl.)

Educational Testing Services. (2012). The official guide to the TOEFL test (4th ed.). McGraw-Hill ; Tata McGraw Hill.

Chicago-referens (17:e uppl.)

Educational Testing Services. The Official Guide to the TOEFL Test. 4th ed. New York : New Delhi: McGraw-Hill ; Tata McGraw Hill, 2012.

MLA-referens (8:e uppl.)

Educational Testing Services. The Official Guide to the TOEFL Test. 4th ed. McGraw-Hill ; Tata McGraw Hill, 2012.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.