Elffers, H. (1991). Income tax evasion: Theory and measurement. Kluwer.
Chicago Style aipamenaElffers, H. Income Tax Evasion: Theory and Measurement. Deventer: Kluwer, 1991.
MLA aipamenaElffers, H. Income Tax Evasion: Theory and Measurement. Kluwer, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.