APA استشهاد

Levin, R. I. (1986). Production/operations management: Contemporary policy for managing operating systems.

استشهاد بنمط شيكاغو

Levin, Richard I. Production/operations Management: Contemporary Policy for Managing Operating Systems. Tata Mc Graw Hill: New Delhi, 1986.

MLA استشهاد

Levin, Richard I. Production/operations Management: Contemporary Policy for Managing Operating Systems. 1986.