Erhorn, C., & Stark, J. (1994). Competing by design: Creating value and market advantage in new product development /Craig Erhorn and John Stark. Omneo.
Čikaški stil citiranja (17. izdanje)Erhorn, Craig, i John Stark. Competing by Design: Creating Value and Market Advantage in New Product Development /Craig Erhorn and John Stark. Essex Junction, VT: Omneo, 1994.
MLA način citiranja (9. izdanje)Erhorn, Craig, i John Stark. Competing by Design: Creating Value and Market Advantage in New Product Development /Craig Erhorn and John Stark. Omneo, 1994.
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