Doulton, J., & Hay, D. (1962). Managerial and professional staff grading. George Allen&Unwin.
استشهاد بنمط شيكاغوDoulton, Joan, و David Hay. Managerial and Professional Staff Grading. London: George Allen&Unwin, 1962.
MLA استشهادDoulton, Joan, و David Hay. Managerial and Professional Staff Grading. George Allen&Unwin, 1962.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.