National Council of Applied Economic Research. (1980). Implications of tractorisation for farm employment, productivity, and income. National Council of Applied Economic Research.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Council of Applied Economic Research. Implications of Tractorisation for Farm Employment, Productivity, and Income. New Delhi: National Council of Applied Economic Research, 1980.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)National Council of Applied Economic Research. Implications of Tractorisation for Farm Employment, Productivity, and Income. National Council of Applied Economic Research, 1980.
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