Gaya APA

AZEVEDO, A, D., POMERANZ, R. (2008). Customer Obsession : How To Acquire, Retain,, And Grow Customers In The new age Of Relationship Marketing / AZEVEDO, Abaete^ de ,POMERANZ, Ricardo . New York: McGrawe-Hill.

Gaya MLA

AZEVEDO, Abaete^, De., POMERANZ, Ricardo. "Customer Obsession : How To Acquire, Retain,, And Grow Customers In The new age Of Relationship Marketing / AZEVEDO, Abaete^ de ,POMERANZ, Ricardo". New York: McGrawe-Hill, 2008. Text.