Lua APA (7ú heag.)
Fried-Booth, D. L. (1996). PET: Practice tests; five tests for the Cambrige Preliminary English Test (1a. ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)
Fried-Booth, Diana L. PET: Practice Tests; Five Tests for the Cambrige Preliminary English Test. 1a. ed. Oxford: Oxford University Press, 1996.
Lua MLA (9ú heag.)
Fried-Booth, Diana L. PET: Practice Tests; Five Tests for the Cambrige Preliminary English Test. 1a. ed. Oxford University Press, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.