APA (7th ed.) Zitazioa
Ferreri, J. (1999). Knock-out marketing: Powerful strategies to pump up your sales. Entrepreneur Media.
Chicago Style (17th ed.) Zitazioa
Ferreri, Jack. Knock-out Marketing: Powerful Strategies to Pump Up Your Sales. Irvine, CA: Entrepreneur Media, 1999.
MLA (9th ed.) Zitazioa
Ferreri, Jack. Knock-out Marketing: Powerful Strategies to Pump Up Your Sales. Entrepreneur Media, 1999.
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