APA Citation

Richards, J., & Long, M. (1990). Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press.

Chicago Style Citation

Richards, J.c., and M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1990.

MLA Citation

Richards, J.c., and M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1990.

Warning: These citations may not always be 100% accurate.