Gaya APA

Institute, A, P. (1995). Procedures for Welding or Hot Tapping on Equipment in Services ; API 2201 Fourth Edition (1995). : Washington DC : American Petroleum Inst.,.

Gaya MLA

Institute, American, Petrol.. "Procedures for Welding or Hot Tapping on Equipment in Services ; API 2201 Fourth Edition". 1995 : Washington DC : American Petroleum Inst.,, 1995. Text.