Spyropoulos, G. (1969). Twelve books on trade unionism. International Labour Organization.
Cita Chicago Style (17a ed.)Spyropoulos, Georges. Twelve Books on Trade Unionism. International Labour Organization, 1969.
Cita MLA (9a ed.)Spyropoulos, Georges. Twelve Books on Trade Unionism. International Labour Organization, 1969.
Precaución: Estas citas no son 100% exactas.