Indonesia. Direktorat Djenderal Pengairan Dasar & Harza Engineering Company International. (1970). Indonesia irrigation rehabilitation project: Contract for consulting engineer's service between Republic of Indonesia and Harza Engineering Company International.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Indonesia. Direktorat Djenderal Pengairan Dasar và Harza Engineering Company International. Indonesia Irrigation Rehabilitation Project: Contract for Consulting Engineer's Service Between Republic of Indonesia and Harza Engineering Company International. [Djakarta, 1970.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Indonesia. Direktorat Djenderal Pengairan Dasar và Harza Engineering Company International. Indonesia Irrigation Rehabilitation Project: Contract for Consulting Engineer's Service Between Republic of Indonesia and Harza Engineering Company International. 1970.