Gaya APA

Stark, J., Erhorn, C. (1994). Competing by design : creating value and market advantage in new product development / Craig Erhorn, john Stark . Essex Junction: Oliver Wright.

Gaya MLA

Stark, John., Erhorn, Craig. "Competing by design : creating value and market advantage in new product development / Craig Erhorn, john Stark". Essex Junction: Oliver Wright, 1994. Textbook.