APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.