Citazione Stile APA (7a Edizione)

Abowd, J. M., & Kramarz, F. (1997). The costs of hiring and separations. National Bureau of Economic Research.

Citazione stile Chigago Style (17a edizione)

Abowd, John M., e Francis Kramarz. The Costs of Hiring and Separations. Cambridge: National Bureau of Economic Research, 1997.

Citatione MLA (9a ed.)

Abowd, John M., e Francis Kramarz. The Costs of Hiring and Separations. National Bureau of Economic Research, 1997.