Cita APA

National Fire Protection Association (Estados Unidos). (2020). Standard for the installation of air-conditioning and ventilating systems (2021 edition.). Quincy, MA: NFPA.

Citación estilo Chicago

National Fire Protection Association (Estados Unidos). Standard for the Installation of Air-conditioning and Ventilating Systems. 2021 edition. Quincy, MA: NFPA, 2020.

Cita MLA

National Fire Protection Association (Estados Unidos). Standard for the Installation of Air-conditioning and Ventilating Systems. 2021 edition. Quincy, MA: NFPA, 2020.