Koeltz, D. C., & Torres, C. I. (2016). Practitioners' guides on employment service centres: Vol. 3, Providing effective counselling services. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Koeltz, Donna C., e Carmela I. Torres. Practitioners' Guides on Employment Service Centres: Vol. 3, Providing Effective Counselling Services. International Labour Organization, 2016.
Citatione MLA (9a ed.)Koeltz, Donna C., e Carmela I. Torres. Practitioners' Guides on Employment Service Centres: Vol. 3, Providing Effective Counselling Services. International Labour Organization, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.