Delforce, J. (1987). Tractors versus draught animals: Literature review and case study. University of New England.
Cita Chicago Style (17a ed.)Delforce, Julie. Tractors Versus Draught Animals: Literature Review and Case Study. Armidale, N.S.W.: University of New England, 1987.
Cita MLA (9a ed.)Delforce, Julie. Tractors Versus Draught Animals: Literature Review and Case Study. University of New England, 1987.
Precaución: Estas citas no son 100% exactas.