Widakdo, A. P. (2011). Evaluasi Sistem Jaringan Pipa Distribusi Air Bersih PDAM Sleman. STTNAS.
Chicago Style (17th ed.) CitationWidakdo, Andi Ponco. Evaluasi Sistem Jaringan Pipa Distribusi Air Bersih PDAM Sleman. STTNAS, 2011.
MLA (8th ed.) CitationWidakdo, Andi Ponco. Evaluasi Sistem Jaringan Pipa Distribusi Air Bersih PDAM Sleman. STTNAS, 2011.
Warning: These citations may not always be 100% accurate.