APA引文

I M Crawford. (1997). Marketing and agribusiness texts; No.4: Marketing research and information systems. Rome, Italy: FAO.

Trích dẫn kiểu Chicago

I M Crawford. Marketing and Agribusiness Texts; No.4: Marketing Research and Information Systems. Rome, Italy: FAO, 1997.

MLA引文

I M Crawford. Marketing and Agribusiness Texts; No.4: Marketing Research and Information Systems. Rome, Italy: FAO, 1997.

警告：这些引文格式不一定是100％准确.