APA-čujuhus (7. p.)

CRAWFORD, C. (1991). New products management.-- ed.3. Irwin.

Chicago-čujuhus (17. p.)

CRAWFORD, C.Merle. New Products Management.-- Ed.3. Homewood: Irwin, 1991.

MLA-čujuhus (9. p.)

CRAWFORD, C.Merle. New Products Management.-- Ed.3. Irwin, 1991.

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