Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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