Dixon, W. J., & massey, . f. J. (1951). Introduction to Statistical Analysis. mcgraw-hill book campany.
Cita Chicago (17th ed.)Dixon, Wilfrid J., i frank J. massey. Introduction to Statistical Analysis. New york: mcgraw-hill book campany, 1951.
Cita MLA (9th ed.)Dixon, Wilfrid J., i frank J. massey. Introduction to Statistical Analysis. mcgraw-hill book campany, 1951.