Dyfyniad APA

Australia. Bureau of Transport Economics. (1983). BTE road construction price indexes, 1971-72 to 1981-82. Australian Government Publishing Service.

Dyfyniad Arddull Chicago

Australia. Bureau of Transport Economics. BTE Road Construction Price Indexes, 1971-72 to 1981-82. Canberra: Australian Government Publishing Service, 1983.

Dyfyniad MLA

Australia. Bureau of Transport Economics. BTE Road Construction Price Indexes, 1971-72 to 1981-82. Australian Government Publishing Service, 1983.

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