APA (7e ed.) Bronvermelding
Johnson, R. A., Richard A. Johnson, & Gouri K. Bhattacharyya. (2001). Statistics: Principles and methods (4th ed.). John Wiley &Sons.
Chicago (17e ed.) Bronvermelding
Johnson, Richard A., Richard A. Johnson, en Gouri K. Bhattacharyya. Statistics: Principles and Methods. 4th ed. New York: John Wiley &Sons, 2001.
MLA (9e ed.) Bronvermelding
Johnson, Richard A., et al. Statistics: Principles and Methods. 4th ed. John Wiley &Sons, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.