Cita APA (7a ed.)

Howatt, A., Webb, J., & Knight, M. (1985). A Modern course in business English: Course manual (New ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Howatt, Anthony, John Webb, y Michael Knight. A Modern Course in Business English: Course Manual. New ed. London: Oxford University Press, 1985.

Cita MLA (9a ed.)

Howatt, Anthony, et al. A Modern Course in Business English: Course Manual. New ed. Oxford University Press, 1985.