Dickinson, L., & Mackin, R. j. a. (1969). Varieties of spoken English: Workbook. Oxford University Press.
Citación estilo ChicagoDickinson, Leslie, and Ronald joint auth Mackin. Varieties of Spoken English: Workbook. London: Oxford University Press, 1969.
Cita MLADickinson, Leslie, and Ronald joint auth Mackin. Varieties of Spoken English: Workbook. Oxford University Press, 1969.
Warning: These citations may not always be 100% accurate.