APA-referens (7:e uppl.)

PHILLIPS, D. (1990). Longman practice test for the TOEFL. Longman Publisher.

Chicago-referens (17:e uppl.)

PHILLIPS, Deborah. Longman Practice Test for the TOEFL. Singapore: Longman Publisher, 1990.

MLA-referens (9:e uppl.)

PHILLIPS, Deborah. Longman Practice Test for the TOEFL. Longman Publisher, 1990.