Orley C. Ashenfelter and Richard Layard. (1986). Handbook of Labor Economics. ELSEVIER.
Citazione stile Chigago Style (17a edizione)Orley C. Ashenfelter and Richard Layard. Handbook of Labor Economics. ELSEVIER, 1986.
Citatione MLA (8a ed.)Orley C. Ashenfelter and Richard Layard. Handbook of Labor Economics. ELSEVIER, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.