Cita APA

Stevens, D., & Campbell, J. (1980). Heat recovery. London, Sydney: Central Office of Information Energy Efficiency Office.

Citación estilo Chicago

Stevens, David, y John Campbell. Heat Recovery. London, Sydney: Central Office of Information Energy Efficiency Office, 1980.

Cita MLA

Stevens, David, y John Campbell. Heat Recovery. London, Sydney: Central Office of Information Energy Efficiency Office, 1980.