Pettengill, J. S. (1980). Labor unions and the inequality of earned income. North-Holland.
Chicago-Zitierstil (17. Ausg.)Pettengill, John Sterling. Labor Unions and the Inequality of Earned Income. Amsterdam: North-Holland, 1980.
MLA-Zitierstil (9. Ausg.)Pettengill, John Sterling. Labor Unions and the Inequality of Earned Income. North-Holland, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.