, A. Y., & , M. L. P. S. (2013). STUDY OF GUNUNG MERAPI NATIONAL PARK POST 2010 MERAPI ERUPTION MANAGEMENT IMPROVEMENT. [Yogyakarta] : Universitas Gadjah Mada.
Chicago Style Citation, Agus Yulianto, and Mr. Leksono Probo Subanu. STUDY OF GUNUNG MERAPI NATIONAL PARK POST 2010 MERAPI ERUPTION MANAGEMENT IMPROVEMENT. [Yogyakarta] : Universitas Gadjah Mada, 2013.
MLA引文, Agus Yulianto, and Mr. Leksono Probo Subanu. STUDY OF GUNUNG MERAPI NATIONAL PARK POST 2010 MERAPI ERUPTION MANAGEMENT IMPROVEMENT. [Yogyakarta] : Universitas Gadjah Mada, 2013.
警告：這些引文格式不一定是100％准確.