(Author), W. B. (2001). Core labour standards: A level playing field for all countries. International Labour Organization.
Citazione stile Chigago Style (17a edizione)(Author), William Brett. Core Labour Standards: A Level Playing Field for All Countries. International Labour Organization, 2001.
Citatione MLA (9a ed.)(Author), William Brett. Core Labour Standards: A Level Playing Field for All Countries. International Labour Organization, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.