Frederick H. Harbison. Human Resources; as the Wealth of nations. Oxford University.
Citazione stile Chigago Style (17a edizione)Frederick H. Harbison. Human Resources; as the Wealth of Nations. New York: Oxford University.
Citatione MLA (9a ed.)Frederick H. Harbison. Human Resources; as the Wealth of Nations. Oxford University.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.