Cita APA (7a ed.)

(Author), O. L. U. (1999). Colombia. International Labour Organization.

Cita Chicago Style (17a ed.)

(Author), Ofelia Londoño Urrego. Colombia. International Labour Organization, 1999.

Cita MLA (9a ed.)

(Author), Ofelia Londoño Urrego. Colombia. International Labour Organization, 1999.