Gaya APA

SULISTIYONO, S, T. et al (2019). The importance of geomorphological analysis in understanding the pre-modern era at Southeast Sumatra coast. . Semarang: History Department, Faculty of Social Sciences, Universitas Negeri Semarang.

Gaya MLA

SULISTIYONO, Singgih, Tri. et al. "The importance of geomorphological analysis in understanding the pre-modern era at Southeast Sumatra coast.". Semarang: History Department, Faculty of Social Sciences, Universitas Negeri Semarang, 2019. Artikel.