CLARKE, D. W. (1957). Modern English practice: ; exercises in English. Longman.
Citación estilo ChicagoCLARKE, D. Waldo. Modern English Practice: ; Exercises in English. London: Longman, 1957.
Cita MLACLARKE, D. Waldo. Modern English Practice: ; Exercises in English. Longman, 1957.
Warning: These citations may not always be 100% accurate.