Gaya APA

Haryanto, T. et al (2023). Relationship Marketing: Lintegrating Quality, Customer Service, and Marketing . Purwokerto: UM Purwokerto Press.

Gaya MLA

Haryanto, Totok. et al. "Relationship Marketing: Lintegrating Quality, Customer Service, and Marketing". Purwokerto: UM Purwokerto Press, 2023. Text.