APA-čujuhus (7. p.)
Kleiner, M. M. Licensing Occupations: Ensuring Quality or Restricting Competition? W.E. Upjohn Institute.
Chicago-čujuhus (17. p.)
Kleiner, Morris M. Licensing Occupations: Ensuring Quality or Restricting Competition? [Place of publication not identified]: W.E. Upjohn Institute.
MLA-čujuhus (9. p.)
Kleiner, Morris M. Licensing Occupations: Ensuring Quality or Restricting Competition? W.E. Upjohn Institute.
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