Gaya APA
University, I, C. (2017).
Modul port customer relation management 18 desember 2017 (2017).
Bogor:
IPC Corporate University.
Gaya MLA
University, IPC, Corporate.
"Modul port customer relation management 18 desember 2017".
2017
Bogor:
IPC Corporate University,
2017.
Book.