Grobogan, P. I. P. (2007). Air sumber kehidupan. Postmo.
Chicago Style (17th ed.) CitationGrobogan, Plan Indonesia PU. Air Sumber Kehidupan. Postmo, 2007.
MLA (8th ed.) CitationGrobogan, Plan Indonesia PU. Air Sumber Kehidupan. Postmo, 2007.
Warning: These citations may not always be 100% accurate.