Cita APA (7th ed.)

Strevens, P. (1964). The practical study of languages: A guide for teachers and learners (1a. ed.). Oxford University Press.

Cita Chicago (17th ed.)

Strevens, Peter. The Practical Study of Languages: A Guide for Teachers and Learners. 1a. ed. Londres: Oxford University Press, 1964.

Cita MLA (9th ed.)

Strevens, Peter. The Practical Study of Languages: A Guide for Teachers and Learners. 1a. ed. Oxford University Press, 1964.