Thormann, P. H. (1972). Labour-intensive irrigation work and dam construction: A review of some research. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Thormann, Peter H. Labour-intensive Irrigation Work and Dam Construction: A Review of Some Research. International Labour Organization, 1972.
Citatione MLA (9a ed.)Thormann, Peter H. Labour-intensive Irrigation Work and Dam Construction: A Review of Some Research. International Labour Organization, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.