Dyfyniad APA

(1982). Specification for L-821 panels for remote control of airport lighting.

Dyfyniad Arddull Chicago

Specification for L-821 Panels for Remote Control of Airport Lighting. 1982.

Dyfyniad MLA

Specification for L-821 Panels for Remote Control of Airport Lighting. 1982.

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