Williams, M. (1987). Handbook of management skills. Gower Publishing Company.
Citazione stile Chigago Style (17a edizione)Williams, Michael. Handbook of Management Skills. Aldershot: Gower Publishing Company, 1987.
Citatione MLA (9a ed.)Williams, Michael. Handbook of Management Skills. Gower Publishing Company, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.