APA aipamena

Pettengill, J. S. (1980). Labor unions and the inequality of earned income. North-Holland.

Chicago Style aipamena

Pettengill, John S. Labor Unions and the Inequality of Earned Income. Amsterdam: North-Holland, 1980.

MLA aipamena

Pettengill, John S. Labor Unions and the Inequality of Earned Income. North-Holland, 1980.