Cita APA (7th ed.)
Fried-Booth, D. L. (1996). PET: Practice tests; five tests for the Cambrige Preliminary English Test (1a. ed.). Oxford University Press.
Cita Chicago (17th ed.)
Fried-Booth, Diana L. PET: Practice Tests; Five Tests for the Cambrige Preliminary English Test. 1a. ed. Oxford: Oxford University Press, 1996.
Cita MLA (9th ed.)
Fried-Booth, Diana L. PET: Practice Tests; Five Tests for the Cambrige Preliminary English Test. 1a. ed. Oxford University Press, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.