, S., & , D. A. H. (2008). Weathering induced on slope instability in Laos: : Case study area a long the road no. 13 north (Kasi-Phoukhoun District) Vientiane and Luangprabang Province. [Yogyakarta] : Universitas Gadjah Mada.
Chicago Style Citation, SOYSOUVANH, and Dr. Agung Harijoko. Weathering Induced On Slope Instability in Laos: : Case Study Area a Long the Road No. 13 North (Kasi-Phoukhoun District) Vientiane and Luangprabang Province. [Yogyakarta] : Universitas Gadjah Mada, 2008.
MLA引文, SOYSOUVANH, and Dr. Agung Harijoko. Weathering Induced On Slope Instability in Laos: : Case Study Area a Long the Road No. 13 North (Kasi-Phoukhoun District) Vientiane and Luangprabang Province. [Yogyakarta] : Universitas Gadjah Mada, 2008.
警告：這些引文格式不一定是100％准確.