Dyfyniad APA

(1977). The State of taxation. [London]: Institute of Economic Affairs.

Dyfyniad Arddull Chicago

The State of Taxation. [London]: Institute of Economic Affairs, 1977.

Dyfyniad MLA

The State of Taxation. [London]: Institute of Economic Affairs, 1977.

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