Bell, W. J. A., & Mather, J. L. A. (1968). Business statistics simplified.
Chicago Edition CitationBell, W J; Author, and J L; Author Mather. Business Statistics Simplified. London, Heinemann, 1968.
ציטוט MLABell, W J; Author, and J L; Author Mather. Business Statistics Simplified. 1968.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.