Cita APA

British Standards Institution. (1977). Specification for gas meters (1st revision.). British Standards Institution.

Citación estilo Chicago

British Standards Institution. Specification for Gas Meters. 1st revision. London: British Standards Institution, 1977.

Cita MLA

British Standards Institution. Specification for Gas Meters. 1st revision. British Standards Institution, 1977.

Warning: These citations may not always be 100% accurate.