Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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