Gaya APA

Stiff, D, S, D. (2006). Sell the brand first : how to sell your brand and create lasting costumer loyalty.-- . America: McGraw-Hill.

Gaya MLA

Stiff, Dan., Stiff,, Dan.. "Sell the brand first : how to sell your brand and create lasting costumer loyalty.--". America: McGraw-Hill, 2006. Buku.