HART ROBERT A. (2004). ECONOMICS OF OVERTIME WORKING. CAMBRIDGE UNIVERSITY PRESS.
Cita Chicago (17th ed.)HART ROBERT A. ECONOMICS OF OVERTIME WORKING. CAMBRIDGE: CAMBRIDGE UNIVERSITY PRESS, 2004.
Cita MLA (9th ed.)HART ROBERT A. ECONOMICS OF OVERTIME WORKING. CAMBRIDGE UNIVERSITY PRESS, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.