Ryan, T. A., Joiner, B. L., & Ryan, B. F. (1976). Minitab: Students handbook. Duxbury Press.
Chicago Edition CitationRyan, Thomas A., Brian L. Joiner, i Barbara F. Ryan. Minitab: Students Handbook. Massachusetts: Duxbury Press, 1976.
Cita MLARyan, Thomas A., et al. Minitab: Students Handbook. Duxbury Press, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.