Cita APA

(1997). Tobacco: World markets and trade. l997: Leaf exports for selected countries. USA: United States Department of agriculture.

Citación estilo Chicago

Tobacco: World Markets and Trade. L997: Leaf Exports for Selected Countries. USA: United States Department of agriculture, 1997.

Cita MLA

Tobacco: World Markets and Trade. L997: Leaf Exports for Selected Countries. USA: United States Department of agriculture, 1997.

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