APA-Zitierstil (7. Ausg.)

Fried-Booth, D. L. (1996). PET practice tests: Five tests for the Cambridge Preliminary English Test (1ª ed.).

Chicago-Zitierstil (17. Ausg.)

Fried-Booth, Diana L. PET Practice Tests: Five Tests for the Cambridge Preliminary English Test. 1ª ed. New York, 1996.

MLA-Zitierstil (9. Ausg.)

Fried-Booth, Diana L. PET Practice Tests: Five Tests for the Cambridge Preliminary English Test. 1ª ed. 1996.