APA Citatie

Ullmann, J. E. (1976). Theory and problmes of quanititative methods in management. Mc Graw Hill Book company.

Chicago Style citaat

Ullmann, J E. Theory and Problmes of Quanititative Methods in Management. NewYork: Mc Graw Hill Book company, 1976.

MLA citatie

Ullmann, J E. Theory and Problmes of Quanititative Methods in Management. Mc Graw Hill Book company, 1976.

Let op: Deze citaties zijn niet altijd 100% accuraat.