Gaya APA

Aritonang, N., Siregar, R, K, M. (2023). English Language for Civil Engeenering . Surabaya: Unesa Univesity Press.

Gaya MLA

Aritonang, Nurhayati., Siregar, Raja, Koresy, Melkisedek. "English Language for Civil Engeenering". Surabaya: Unesa Univesity Press, 2023. Text.