Sweet, H. (1964). The practical study of languages: A guide for teachers and learners (1. publ. 1899, 1. issued in this ed.). Oxford University Press.
Chicago-Zitierstil (17. Ausg.)Sweet, Henry. The Practical Study of Languages: A Guide for Teachers and Learners. 1. publ. 1899, 1. issued in this ed. London: Oxford University Press, 1964.
MLA-Zitierstil (9. Ausg.)Sweet, Henry. The Practical Study of Languages: A Guide for Teachers and Learners. 1. publ. 1899, 1. issued in this ed. Oxford University Press, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.