Dyfyniad APA

United States. Dept. of Housing and Urban Development. Environmental Planning Division. (1970). Airport environs: Land use controls. The Department.

Dyfyniad Arddull Chicago

United States. Dept. of Housing and Urban Development. Environmental Planning Division. Airport Environs: Land Use Controls. Washington: The Department, 1970.

Dyfyniad MLA

United States. Dept. of Housing and Urban Development. Environmental Planning Division. Airport Environs: Land Use Controls. The Department, 1970.

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