International Federation of Building and Wood Workers (IFBWW). (1995). IFBWW at work. Geneva: IFBWW.
Citazione stile Chigago Style (17a edizione)International Federation of Building and Wood Workers (IFBWW). IFBWW at Work. Geneva: IFBWW, 1995.
Citatione MLA (8a ed.)International Federation of Building and Wood Workers (IFBWW). IFBWW at Work. Geneva: IFBWW, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.