Dyfyniad APA

Gupton, G. W. (1987). HVAC controls: Operation and maintenance. The Fairmont Press.

Dyfyniad Arddull Chicago

Gupton, Guy W. HVAC Controls: Operation and Maintenance. Lilburn, GA: The Fairmont Press, 1987.

Dyfyniad MLA

Gupton, Guy W. HVAC Controls: Operation and Maintenance. The Fairmont Press, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.