National Fire Protection Association. (2020). NFPA 2: Hydrogen technologies code 2020 (2020 edition.). National Fire Protection Association.
Citace podle Chicago (17th ed.)National Fire Protection Association. NFPA 2: Hydrogen Technologies Code 2020. 2020 edition. Quincy, Mass., United States: National Fire Protection Association, 2020.
Citace podle MLA (9th ed.)National Fire Protection Association. NFPA 2: Hydrogen Technologies Code 2020. 2020 edition. National Fire Protection Association, 2020.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..