Gaya APA

BUTTLE, F. (0). Customer Relationship Management (Manajemen Hubungan Pelanggan): Concepts and Tools (1). Amsterdam: Elsevier.

Gaya MLA

BUTTLE, Francis. "Customer Relationship Management (Manajemen Hubungan Pelanggan): Concepts and Tools". 1 Amsterdam: Elsevier, 0. Printed.