Gaya APA

KASMIR, . (2017). Customer Services Excellent: Teori dan Praktik (Ed. 1 Cet. 1). Jakarta: Rajawali Pers.

Gaya MLA

KASMIR, . "Customer Services Excellent: Teori dan Praktik". Ed. 1 Cet. 1 Jakarta: Rajawali Pers, 2017. Text.