Gopalakrishnan P. (1977). Materials management: An integrated approach. Prentice Hall.
Chicago Style aipamenaGopalakrishnan P. Materials Management: An Integrated Approach. New Delhi: Prentice Hall, 1977.
MLA aipamenaGopalakrishnan P. Materials Management: An Integrated Approach. Prentice Hall, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.