Department of Standards Malaysia & SIRIM. (1975). Specification for steel conduits & fittings with metric threads of ISO form for electrical installations part 1: Steel conduits, bends & couplers (Internationally acceptable sizes). Department of Standards Malaysia.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Department of Standards Malaysia và SIRIM. Specification for Steel Conduits & Fittings with Metric Threads of ISO Form for Electrical Installations Part 1: Steel Conduits, Bends & Couplers (Internationally Acceptable Sizes). Putrajaya: Department of Standards Malaysia, 1975.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Department of Standards Malaysia và SIRIM. Specification for Steel Conduits & Fittings with Metric Threads of ISO Form for Electrical Installations Part 1: Steel Conduits, Bends & Couplers (Internationally Acceptable Sizes). Department of Standards Malaysia, 1975.