Dyfyniad APA

McMaster, C. G. (1980). National mapping aerodist program. Division of National Mapping.

Dyfyniad Arddull Chicago

McMaster, C. G. National Mapping Aerodist Program. Canberra: Division of National Mapping, 1980.

Dyfyniad MLA

McMaster, C. G. National Mapping Aerodist Program. Division of National Mapping, 1980.

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