Lambro, D. (1986). Land of opportunity: The entrepreneurial spirit in America. Little, Brown.
Chicago-viite (17. p.)Lambro, Donald. Land of Opportunity: The Entrepreneurial Spirit in America. Boston: Little, Brown, 1986.
MLA-viite (9. p.)Lambro, Donald. Land of Opportunity: The Entrepreneurial Spirit in America. Little, Brown, 1986.
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