Kucera, D., & Xenogiani, T. (2009). Persisting Informal Employment: What Explains It? International Labour Organization.
Citazione stile Chigago Style (17a edizione)Kucera, David, e Theodora Xenogiani. Persisting Informal Employment: What Explains It? International Labour Organization, 2009.
Citatione MLA (9a ed.)Kucera, David, e Theodora Xenogiani. Persisting Informal Employment: What Explains It? International Labour Organization, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.