Gaya APA

Institute, A, P. (2019). General-purpose Steam Turbines for Petroleum, Chemical, and Gas Industry Services (API STANDARD 611 : 2008 + ERRATA 2 : 2019) (Fifth Edition, March 2008). Woshington: Washington DC : American Petroleum Inst.,.

Gaya MLA

Institute, American, Petroleum. "General-purpose Steam Turbines for Petroleum, Chemical, and Gas Industry Services (API STANDARD 611 : 2008 + ERRATA 2 : 2019)". Fifth Edition, March 2008 Woshington: Washington DC : American Petroleum Inst.,, 2019. Text.