Dyfyniad APA

Australia. Bureau of Transport Economics. (1973). Occasional paper. Australian Govt. Pub. Service.

Dyfyniad Arddull Chicago

Australia. Bureau of Transport Economics. Occasional Paper. Canberra: Australian Govt. Pub. Service, 1973.

Dyfyniad MLA

Australia. Bureau of Transport Economics. Occasional Paper. Australian Govt. Pub. Service, 1973.

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