New Zealand Energy Research and Development Committee, New Zealand Agricultural Engineering Institute, New Zealand. Agricultural Engineering Division, & Massey University. Agricultural Mechanisation Section. (1987). Tractor economy project: Conducting 13 field days for farmers. New Zealand Energy Research and Development Committee, University of Auckland.
Cita Chicago (17th ed.)New Zealand Energy Research and Development Committee, New Zealand Agricultural Engineering Institute, New Zealand. Agricultural Engineering Division, i Massey University. Agricultural Mechanisation Section. Tractor Economy Project: Conducting 13 Field Days for Farmers. Auckland, N.Z.: New Zealand Energy Research and Development Committee, University of Auckland, 1987.
Cita MLA (8th ed.)New Zealand Energy Research and Development Committee, et al. Tractor Economy Project: Conducting 13 Field Days for Farmers. New Zealand Energy Research and Development Committee, University of Auckland, 1987.