Fisk, P. (2009). Customer genius: Becoming a customer-centric business. Capstone.
Dyfyniad Arddull ChicagoFisk, Peter. Customer Genius: Becoming a Customer-centric Business. Chichester, UK, Hoboken, NJ: Capstone, 2009.
Dyfyniad MLAFisk, Peter. Customer Genius: Becoming a Customer-centric Business. Capstone, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.