Feig, B. (1993). The new products workshop: Hands-on tools for developing winners. McGraw-Hill.
Chicago Style aipamenaFeig, Barry. The New Products Workshop: Hands-on Tools for Developing Winners. New York: McGraw-Hill, 1993.
MLA aipamenaFeig, Barry. The New Products Workshop: Hands-on Tools for Developing Winners. McGraw-Hill, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.