(2019). ISO 55000: Practical tools for self-assessment (Second edition.). The Art of Service.
Chicago-čujuhus (17. p.)ISO 55000: Practical Tools for Self-assessment. Second edition. The Art of Service, 2019.
MLA-čujuhus (9. p.)ISO 55000: Practical Tools for Self-assessment. Second edition. The Art of Service, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.