Trích dẫn APA

Fraval, S. (2019). Food security in rural sub-Saharan Africa: A household level assessment of crop-livestock systems. Netherlands: Wageningen University.

Trích dẫn kiểu Chicago

Fraval, Simon. Food Security in Rural Sub-Saharan Africa: A Household Level Assessment of Crop-livestock Systems. Netherlands: Wageningen University, 2019.

Trích dẫn MLA

Fraval, Simon. Food Security in Rural Sub-Saharan Africa: A Household Level Assessment of Crop-livestock Systems. Netherlands: Wageningen University, 2019.

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