Otto, S.(1997, 2001, 2014).Analisis mengenai dampak lingkungan / Otto Soemarwoto (Cet.7,9,14).liberti,Yogyakarta:Gadjah Mada University Press.
Gaya MLA
Soemarwoto, Otto."Analisis mengenai dampak lingkungan / Otto Soemarwoto".Cet.7,9,14liberti,Yogyakarta:Gadjah Mada University Press,1997, 2001, 2014.Textbook.