APA Style
Wirtz, J., Lovelock, C. (2023).
Service marketing : manusia, teknologi, strategi .
Jakarta:
Gramedia Pustaka Utama.
MLA Style
Wirtz, Jochen., Lovelock, Christopher.
"Service marketing : manusia, teknologi, strategi".
Jakarta:
Gramedia Pustaka Utama,
2023.
Text.