API SPEC Q1-2013 Specification for Quality Management System Requirements for Manufacturing Organizations for the Petroleum and Natural Gas Industry, Ninth Edition, Includes Errata (2014), Errata 2 (2014), Errata 3 (2019), Addendum 1 (2016) and Addendum 2 (2018) (Addendums Available in English Only)
Спецификация на требования системы менеджмента качества для производственных организаций нефтяной и газовой промышленности