Cita APA (7th ed.)

Leech, G. (1983). Principles of pragmatics. Longman.

Cita Chicago (17th ed.)

Leech, Geoffrey. Principles of Pragmatics. London: Longman, 1983.

Cita MLA (9th ed.)

Leech, Geoffrey. Principles of Pragmatics. Longman, 1983.