APA
(1973). Human Resources as the Wealth of Nations. New York: Oxfored University.
Chicago
1973. Human Resources as the Wealth of Nations. New York: Oxfored University.
Harvard
(1973). Human Resources as the Wealth of Nations. New York: Oxfored University.
MLA
Human Resources as the Wealth of Nations. New York: Oxfored University. 1973.