APA-Zitierstil (7. Ausg.)

Fried-Booth, D. L., Fried-Booth, D. L., Hashemi, L., & Hashemi, L. (1990). PET practice tests: For the new cambridge preliminary english test (3. printing.). UNIVERSITY PRESS.

Chicago-Zitierstil (17. Ausg.)

Fried-Booth, Diana L., Diana L. Fried-Booth, Louise Hashemi, und Louise Hashemi. PET Practice Tests: For the New Cambridge Preliminary English Test. 3. printing. CAMBRIDGE: UNIVERSITY PRESS, 1990.

MLA-Zitierstil (9. Ausg.)

Fried-Booth, Diana L., et al. PET Practice Tests: For the New Cambridge Preliminary English Test. 3. printing. UNIVERSITY PRESS, 1990.