Gaya APA

Cholil, M., Soenarno, A. (2014). Complain Topedia : the Art of Complaint Handling (Ed. 1). Yogyakarta : Andi.

Gaya MLA

Cholil, Mohammad., Soenarno, Adi. "Complain Topedia : the Art of Complaint Handling". Ed. 1 Yogyakarta : Andi, 2014. Buku.