Gaya APA

BARNES, J, G. (2001). SECRETS OF CUSTOMER RELATIONSHIP MANAGEMENT : RAHASIA MANAJEMEN HUBUNGAN PELANGGAN (ED. 1). YOGYAKARTA: ANDI.

Gaya MLA

BARNES, JAMES, G.. "SECRETS OF CUSTOMER RELATIONSHIP MANAGEMENT : RAHASIA MANAJEMEN HUBUNGAN PELANGGAN". ED. 1 YOGYAKARTA: ANDI, 2001. Prodi S1 Manajemen.