Ball, R. (1991). Quantitative approaches to management. Butterworth Heinemann.
Chicago Style (17th ed.) CitationBall, Robert. Quantitative Approaches to Management. Oxford: Butterworth Heinemann, 1991.
MLA (9th ed.) CitationBall, Robert. Quantitative Approaches to Management. Butterworth Heinemann, 1991.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.