, P. S., & , D. I. H. H. (2014). GROUNDWATER POLLUTION HAZARD ASSESSMENT IN YOGYAKARTA CITY, YOGYAKARTA SPECIAL PROVINCE, INDONESIA. [Yogyakarta] : Universitas Gadjah Mada.
Chicago Style Citation, PISETH SENSAMRAS, and Dr. Ir. Heru Hendrayana. GROUNDWATER POLLUTION HAZARD ASSESSMENT IN YOGYAKARTA CITY, YOGYAKARTA SPECIAL PROVINCE, INDONESIA. [Yogyakarta] : Universitas Gadjah Mada, 2014.
MLA引文, PISETH SENSAMRAS, and Dr. Ir. Heru Hendrayana. GROUNDWATER POLLUTION HAZARD ASSESSMENT IN YOGYAKARTA CITY, YOGYAKARTA SPECIAL PROVINCE, INDONESIA. [Yogyakarta] : Universitas Gadjah Mada, 2014.
警告：這些引文格式不一定是100％准確.