Gray, I. (1979). The engineer in transition to management: A learning tool for the engineer or other professional newly promoted to management. N.Y.: IEEE.
استشهاد بنمط شيكاغوGray, Irwin. The Engineer in Transition to Management: A Learning Tool for the Engineer or Other Professional Newly Promoted to Management. N.Y.: IEEE, 1979.
MLA استشهادGray, Irwin. The Engineer in Transition to Management: A Learning Tool for the Engineer or Other Professional Newly Promoted to Management. N.Y.: IEEE, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.