Van Dersal, W. R. (1962). The successful supervisor in government and business.
Citazione stile Chigago Style (17a edizione)Van Dersal, William Richard. The Successful Supervisor in Government and Business. New York, Harper, 1962.
Citatione MLA (9a ed.)Van Dersal, William Richard. The Successful Supervisor in Government and Business. 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.