Doulton, J., & Hay, D. (1962). Managerial and professional staff grading. George Allen&Unwin.
Chicago Style citaatDoulton, Joan, en David Hay. Managerial and Professional Staff Grading. London: George Allen&Unwin, 1962.
MLA citatieDoulton, Joan, en David Hay. Managerial and Professional Staff Grading. George Allen&Unwin, 1962.
Let op: Deze citaties zijn niet altijd 100% accuraat.