Gaya APA

Institute, A, P. (2014). Petroleum, Petrochemical, and Natural Gas Industries-Steam Turbines Special-Purpose Applications API STD 612 Seventh Edition, Agustus 2014 . Wosington: American Ptroleum Institute.

Gaya MLA

Institute, American, Petroleum. "Petroleum, Petrochemical, and Natural Gas Industries-Steam Turbines Special-Purpose Applications API STD 612 Seventh Edition, Agustus 2014". Wosington: American Ptroleum Institute, 2014. Text.