APA (7e ed.) Bronvermelding

Williams, T. A. (2009). Contemporary Business Statistics (6th ed.). Thomson Higher Education.

Chicago (17e ed.) Bronvermelding

Williams, Thomas A. Contemporary Business Statistics. 6th ed. USA: Thomson Higher Education, 2009.

MLA (9e ed.) Bronvermelding

Williams, Thomas A. Contemporary Business Statistics. 6th ed. Thomson Higher Education, 2009.

Let op: Deze citaties zijn niet altijd 100% accuraat.