Eck, R. D. (1979). QM, an introduction to quantitative methods for business application. Wadsworth Pub. Co..
Chicago Style (17th ed.) CitationEck, Roger D. QM, an Introduction to Quantitative Methods for Business Application. Belmont, Calif.: Wadsworth Pub. Co., 1979.
MLA (9th ed.) CitationEck, Roger D. QM, an Introduction to Quantitative Methods for Business Application. Wadsworth Pub. Co., 1979.
Warning: These citations may not always be 100% accurate.