Gaya APA

Ehrenberg, R, G., Smith, R, S. (2009). PERSON INTERNATIONAL EDITION MODERN LABOR ECONOMICS THEORY AND PUBLIC POLICY . United States of America: Addison Wesley PUublishing Company.

Gaya MLA

Ehrenberg, Ronald, G.., Smith, Robert, S.. "PERSON INTERNATIONAL EDITION MODERN LABOR ECONOMICS THEORY AND PUBLIC POLICY". United States of America: Addison Wesley PUublishing Company, 2009. Text.