Cita APA (7th ed.)

PHILIPS, D. (1990). Longman practice test for the toefl. Longman.

Cita Chicago (17th ed.)

PHILIPS, Deborah. Longman Practice Test for the Toefl. [sl]: Longman, 1990.

Cita MLA (9th ed.)

PHILIPS, Deborah. Longman Practice Test for the Toefl. Longman, 1990.