Delforce, J. (1987). Tractors versus draught animals: Literature review and case study. Faculty of Economic Studies, University of New England.
Citación estilo ChicagoDelforce, Julie. Tractors Versus Draught Animals: Literature Review and Case Study. [Armidale] N.S.W.: Faculty of Economic Studies, University of New England, 1987.
Cita MLADelforce, Julie. Tractors Versus Draught Animals: Literature Review and Case Study. Faculty of Economic Studies, University of New England, 1987.
Warning: These citations may not always be 100% accurate.