(1995). Batu Bara dan Gambut (cet.1.). Yogyakarta: Gadjah Mada University Press.
Chicago Style CitationBatu Bara Dan Gambut. cet.1. Yogyakarta: Gadjah Mada University Press, 1995.
MLA CitationBatu Bara Dan Gambut. cet.1. Yogyakarta: Gadjah Mada University Press, 1995.
Warning: These citations may not always be 100% accurate.