Cita APA (7th ed.)

Peaty, D. (1984). Discovery for students at post-intermediate level (1a. ed.). Oxford University.

Cita Chicago (17th ed.)

Peaty, David. Discovery for Students at Post-intermediate Level. 1a. ed. Oxford: Oxford University, 1984.

Cita MLA (9th ed.)

Peaty, David. Discovery for Students at Post-intermediate Level. 1a. ed. Oxford University, 1984.