APA (7th ed.) Zitazioa
Francis, P. H. Product Creation: The Heart of the Enterprise from Engineering to E-Commerce. Free Press.
Chicago Style (17th ed.) Zitazioa
Francis, Philip H. Product Creation: The Heart of the Enterprise from Engineering to E-Commerce. Nueva York, EUA: Free Press.
MLA (9th ed.) Zitazioa
Francis, Philip H. Product Creation: The Heart of the Enterprise from Engineering to E-Commerce. Free Press.
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