Gaya APA

Grimmelmann, W, (. (1986). Hidrogeological Mapping in Asia and the Pasific Region (Proceeding of the ESCAP-RMRDC) . Bandung: internationa assocation of hydrogeologist.

Gaya MLA

Grimmelmann, W.F., (Ao). "Hidrogeological Mapping in Asia and the Pasific Region (Proceeding of the ESCAP-RMRDC)". Bandung: internationa assocation of hydrogeologist, 1986. Text.