APA-čujuhus (7. p.)

Crosby, P. B. (2004). Quality without Tears. Orient BlackSwan.

Chicago-čujuhus (17. p.)

Crosby, Philip B. Quality Without Tears. New Delhi: Orient BlackSwan, 2004.

MLA-čujuhus (9. p.)

Crosby, Philip B. Quality Without Tears. Orient BlackSwan, 2004.

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