APA Style

UMUM, D, P. (1979). Irrigation and drainage design report : Wadaslintang Multipurpose project (1). Jakarta: Engineering Consultants Inc..

MLA Style

UMUM, DEPARTEMEN, PEKERJAAN,. "Irrigation and drainage design report : Wadaslintang Multipurpose project". 1 Jakarta: Engineering Consultants Inc., 1979. Text.