APA
Wonnacott T. H., Wonnacott R. J., . (1990). Introductory statistics for business and economics. New York: John Wiley & Sons.
Chicago
Wonnacott Thomas H, Wonnacott Ronald J, . 1990. Introductory statistics for business and economics. New York: John Wiley & Sons.
Harvard
Wonnacott T. H., Wonnacott R. J., . (1990). Introductory statistics for business and economics. New York: John Wiley & Sons.
MLA
Wonnacott Thomas H, Wonnacott Ronald J, . Introductory statistics for business and economics. New York: John Wiley & Sons. 1990.