APA (7e ed.) Bronvermelding

Tjiptoherijanto, P. Contribution of petroleum to Indonesian economy: A case study of oil industry.

Chicago (17e ed.) Bronvermelding

Tjiptoherijanto, Prijono. Contribution of Petroleum to Indonesian Economy: A Case Study of Oil Industry.

MLA (9e ed.) Bronvermelding

Tjiptoherijanto, Prijono. Contribution of Petroleum to Indonesian Economy: A Case Study of Oil Industry.

Let op: Deze citaties zijn niet altijd 100% accuraat.