S. Mack, P. E. (1939). Workers' education in Canada. International Labour Organization.
Citazione stile Chigago Style (17a edizione)S. Mack, Ph.D Eastman. Workers' Education in Canada. International Labour Organization, 1939.
Citatione MLA (9a ed.)S. Mack, Ph.D Eastman. Workers' Education in Canada. International Labour Organization, 1939.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.