APA-čujuhus (7. p.)
Schonberger, R. J. (1991). Operations management: Improving customer service (4th.). Irwin.
Chicago-čujuhus (17. p.)
Schonberger, Richard J. Operations Management: Improving Customer Service. 4th. Homewood: Irwin, 1991.
MLA-čujuhus (9. p.)
Schonberger, Richard J. Operations Management: Improving Customer Service. 4th. Irwin, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.