Gaya APA

research, I, M, O, P, W, D, O, B. (1981). Annual of report 1980 . Bandung: DBR, Ministry of Public Works.

Gaya MLA

research, Indonesia., Ministry, Of, Public, Works., Directorate, Of, Building. "Annual of report 1980". Bandung: DBR, Ministry of Public Works, 1981. Text.