, L., & , D. D. P. E. P. (2010). Groundwater vulnerability of Pandak and Bambanglipuro area, Bantul regency Yogyakarta special Province Indonesia. [Yogyakarta] : Universitas Gadjah Mada.
Chicago Style Citation, LEAKHENA, and Dr. Doni Prakasa Eka Putra. Groundwater Vulnerability of Pandak and Bambanglipuro Area, Bantul Regency Yogyakarta Special Province Indonesia. [Yogyakarta] : Universitas Gadjah Mada, 2010.
MLA引文, LEAKHENA, and Dr. Doni Prakasa Eka Putra. Groundwater Vulnerability of Pandak and Bambanglipuro Area, Bantul Regency Yogyakarta Special Province Indonesia. [Yogyakarta] : Universitas Gadjah Mada, 2010.
警告：這些引文格式不一定是100％准確.