Johnston, R. (2018). Service operations management (4th.). Pearson / Noida.
Chicago-čujuhus (17. p.)Johnston, Robert. Service Operations Management. 4th. Pearson / Noida, 2018.
MLA-čujuhus (9. p.)Johnston, Robert. Service Operations Management. 4th. Pearson / Noida, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.