Katz, J. A., & Green, R. P. (2009). Entrepreneurial small business (2nd ed.). McGraw-Hill Irwin.
Cita Chicago (17th ed.)Katz, Jerome A., i Richard P. Green. Entrepreneurial Small Business. 2nd ed. Boston: McGraw-Hill Irwin, 2009.
Cita MLA (9th ed.)Katz, Jerome A., i Richard P. Green. Entrepreneurial Small Business. 2nd ed. McGraw-Hill Irwin, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.