APA (7e ed.) Bronvermelding

Williams, J. M. (2003). Style: Lessons in clarity and grace (9th ed.). Longman.

Chicago (17e ed.) Bronvermelding

Williams, Joseph M. Style: Lessons in Clarity and Grace. 9th ed. New York: Longman, 2003.

MLA (9e ed.) Bronvermelding

Williams, Joseph M. Style: Lessons in Clarity and Grace. 9th ed. Longman, 2003.