Effendi, H. (2003). Telaah Kualitas Air/ Hefni Effendi. Yogyakarta : Kanisius.
Chicago Style (17th ed.) CitationEffendi, Hefni. Telaah Kualitas Air/ Hefni Effendi. Yogyakarta : Kanisius, 2003.
MLA (8th ed.) CitationEffendi, Hefni. Telaah Kualitas Air/ Hefni Effendi. Yogyakarta : Kanisius, 2003.
Warning: These citations may not always be 100% accurate.