Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.