APA-viite

Hudson,Norman et al. (1993). Working with farmers for better land husbandry. Intermediate technology publications ltd.

Chicago-tyylinen lähdeviittaus

Hudson,Norman et al. Working with Farmers for Better Land Husbandry. London: Intermediate technology publications ltd, 1993.

MLA-viite

Hudson,Norman et al. Working with Farmers for Better Land Husbandry. Intermediate technology publications ltd, 1993.

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