Cita APA (7th ed.)
Kleiner, M. M. (2006). Licensing occupations: Ensuring quality or restricting competition? W.E. Upjohn Institute for Employment Research.
Cita Chicago (17th ed.)
Kleiner, Morris M. Licensing Occupations: Ensuring Quality or Restricting Competition? Kalamazoo, Mich.: W.E. Upjohn Institute for Employment Research, 2006.
Cita MLA (9th ed.)
Kleiner, Morris M. Licensing Occupations: Ensuring Quality or Restricting Competition? W.E. Upjohn Institute for Employment Research, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.