Dyfyniad APA

Elffers, H. (1991). Income tax evasion: Theory and measurement. Kluwer.

Dyfyniad Arddull Chicago

Elffers, H. Income Tax Evasion: Theory and Measurement. Deventer: Kluwer, 1991.

Dyfyniad MLA

Elffers, H. Income Tax Evasion: Theory and Measurement. Kluwer, 1991.

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