(Author), E. G. (2006). ILO standards concerning employment services. International Labour Organization.
Cita Chicago Style (17a ed.)(Author), Eric Gravel. ILO Standards Concerning Employment Services. International Labour Organization, 2006.
Cita MLA (9a ed.)(Author), Eric Gravel. ILO Standards Concerning Employment Services. International Labour Organization, 2006.
Precaución: Estas citas no son 100% exactas.