Gaya APA

Rianto, T. (2009). Spatial Analysis Of Volcanic Risk Perception (Case Study in Local Community at Merapi Volcano Dangerous Zones). ( Tesis 2009 ) . Yogyakarta: UGM.

Gaya MLA

Rianto, Tony. "Spatial Analysis Of Volcanic Risk Perception (Case Study in Local Community at Merapi Volcano Dangerous Zones). ( Tesis 2009 )". Yogyakarta: UGM, 2009. Text.