Gaya APA

Sidoarjo, U, M. (2019). Proceedings of The ICECRS, Vol 4 (2019) (Vol 4 (2019)). Sidoarjo: UMSIDA Press.

Gaya MLA

Sidoarjo, Universitas, Muhammadiyah. "Proceedings of The ICECRS, Vol 4 (2019)". Vol 4 (2019) Sidoarjo: UMSIDA Press, 2019. Text.