Cichon, M., Hagemejer, K., & Ruck, M. (1997). Social protection and pension systems in Central and Eastern Europe. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Cichon, Michael, Krzysztof Hagemejer, e Markus Ruck. Social Protection and Pension Systems in Central and Eastern Europe. International Labour Organization, 1997.
Citatione MLA (9a ed.)Cichon, Michael, et al. Social Protection and Pension Systems in Central and Eastern Europe. International Labour Organization, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.