SHEET, H. (1899). The practical study of languages: A guide for teachers and Learners. O.U.P..
Citação norma ChicagoSHEET, Henry. The Practical Study of Languages: A Guide for Teachers and Learners. London: O.U.P., 1899.
Citação norma MLASHEET, Henry. The Practical Study of Languages: A Guide for Teachers and Learners. O.U.P., 1899.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.