Halsey, G. D. (1955). Selecting and developing first-line supervisors. Harper.
Chicago (17e ed.) BronvermeldingHalsey, George D. Selecting and Developing First-line Supervisors. New york: Harper, 1955.
MLA (9e ed.) BronvermeldingHalsey, George D. Selecting and Developing First-line Supervisors. Harper, 1955.
Let op: Deze citaties zijn niet altijd 100% accuraat.