Gopalakrishnan. (1982). Materials management. Prentice Hall of India.
Chicago-čujuhus (17. p.)Gopalakrishnan. Materials Management. New Delhi: Prentice Hall of India, 1982.
MLA-čujuhus (9. p.)Gopalakrishnan. Materials Management. Prentice Hall of India, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.