Gaya APA

KASMIR, . (2018). Customer Services Excellent : Teori dan praktik/Kasmir (Ed.1 - Cet.2). Depok: Rajawali Pers.

Gaya MLA

KASMIR, . "Customer Services Excellent : Teori dan praktik/Kasmir". Ed.1 - Cet.2 Depok: Rajawali Pers, 2018. Text.