Gaya APA

Wiyarsih, ., Haryono, T. (2013). Production optimization for plan of gas field development using marginal cost analysis (Vol. 17, No. 2, Tahun). : American foundations information service.

Gaya MLA

Wiyarsih, ., Haryono, Tisyo. "Production optimization for plan of gas field development using marginal cost analysis". Vol. 17, No. 2, Tahun : American foundations information service, 2013. Text.