Putra, D. P. E., Setianto, A., Keokhampui, K., & Fukuoka, H. (2011). Land Subsidence Risk Asseessment in Karst Region, Case Study: Rongkop, Gunung Kidul, Yogyakarta-Indonesia. RWTH Aachen University.
استشهاد بنمط شيكاغوPutra, Doni Prakasa Eka, Agung Setianto, K. Keokhampui, و H. Fukuoka. Land Subsidence Risk Asseessment in Karst Region, Case Study: Rongkop, Gunung Kidul, Yogyakarta-Indonesia. RWTH Aachen University, 2011.
MLA استشهادPutra, Doni Prakasa Eka, Agung Setianto, K. Keokhampui, و H. Fukuoka. Land Subsidence Risk Asseessment in Karst Region, Case Study: Rongkop, Gunung Kidul, Yogyakarta-Indonesia. RWTH Aachen University, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.