Cita APA

British standard 2811: 1969. (1969). Specification for smoke density indicators and recorders. British standards institution.

Citación estilo Chicago

British standard 2811: 1969. Specification for Smoke Density Indicators and Recorders. London: British standards institution, 1969.

Cita MLA

British standard 2811: 1969. Specification for Smoke Density Indicators and Recorders. London: British standards institution, 1969.

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