APA

Richards L. E., LaCava J. J., . (1983). Business statistics: why and when. New York: McGraw-Hill.

Chicago

Richards Larry E, LaCava Jerry J, . 1983. Business statistics: why and when. New York: McGraw-Hill.

Harvard

Richards L. E., LaCava J. J., . (1983). Business statistics: why and when. New York: McGraw-Hill.

MLA

Richards Larry E, LaCava Jerry J, . Business statistics: why and when. New York: McGraw-Hill. 1983.