Gaya APA

Lee, J., Han, S, H. (2021). The future of service post-COVID-19 pandemic, Volume 1 :rapid adoption of digital service technology . Singapore: Springer Nature.

Gaya MLA

Lee, Jungwoo., Han, Spring, H.. "The future of service post-COVID-19 pandemic, Volume 1 :rapid adoption of digital service technology". Singapore: Springer Nature, 2021. Ebook.