Gaya APA

Peelen, Ed, Rob Beltman. (2013). Customer Relationship Management (Ed. 2). United Kingdom: Pearson.

Gaya Chicago

Peelen, Ed, Rob Beltman. Customer Relationship Management. Ed. 2 United Kingdom: Pearson, 2013. Buku.

Gaya MLA

Peelen, Ed, Rob Beltman. Customer Relationship Management. Ed. 2 United Kingdom: Pearson, 2013. Buku.

Gaya Turabian

Peelen, Ed, Rob Beltman. Customer Relationship Management. Ed. 2 United Kingdom: Pearson, 2013. Buku.