Lindgren, B. W., McElrath, G. W., & Berry, D. A. (1978). Introduction to probability and statistics (4th ed.). Macmillan.
Cita Chicago (17th ed.)Lindgren, Bernard William, G. W. McElrath, i D. A. Berry. Introduction to Probability and Statistics. 4th ed. New York: Macmillan, 1978.
Cita MLA (9th ed.)Lindgren, Bernard William, et al. Introduction to Probability and Statistics. 4th ed. Macmillan, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.