Gaya APA

setiawan, A., Lalu, W, W. (2018). Drainase (Cet. 1). Mataram: mataram universiy press.

Gaya MLA

setiawan, Agustono., Lalu, Wirahman, Wiradarma.. "Drainase". Cet. 1 Mataram: mataram universiy press, 2018. Text.