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