Levin, R. I. a. (1972). Production /operation management: Contemporary policy for managing operating system. Tata McGraw Hill.
استشهاد بنمط شيكاغوLevin, Richard I...[et al.]. Production /operation Management: Contemporary Policy for Managing Operating System. New Delhi: Tata McGraw Hill, 1972.
MLA استشهادLevin, Richard I...[et al.]. Production /operation Management: Contemporary Policy for Managing Operating System. Tata McGraw Hill, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.