Mason, R. D., Lind, D. A., & Marchal, W. G. (1998). Statistics: An introduction (5th ed.). Buxbury Press.
Cita Chicago (17th ed.)Mason, Robert D., Douglas A. Lind, i William G. Marchal. Statistics: An Introduction. 5th ed. Pacific Grove, CA: Buxbury Press, 1998.
Cita MLA (9th ed.)Mason, Robert D., et al. Statistics: An Introduction. 5th ed. Buxbury Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.