Gaya APA

HAMING,Murdifin, ., BASALAMAH, H. (2010). Customer Service 5Ed. (5). : Pearson Education Inc..

Gaya MLA

HAMING,Murdifin, ., BASALAMAH, H.Salim. "Customer Service 5Ed.". 5 : Pearson Education Inc., 2010. Textbook.