Παραπομπή APA

Gopalakrishnan P & M. Sundaresan. (1979). Materials management: An integrated approach. Prentice hall of India.

Παραπομπή Chicago Style

Gopalakrishnan P και M. Sundaresan. Materials Management: An Integrated Approach. New Delhi: Prentice hall of India, 1979.

Παραπομπή MLA

Gopalakrishnan P και M. Sundaresan. Materials Management: An Integrated Approach. Prentice hall of India, 1979.