APA引文

Williams, C. (1992). Simple economics and bookkeeping for fish farmers. Rome: FAO.

Trích dẫn kiểu Chicago

Williams, Colin. Simple Economics and Bookkeeping for Fish Farmers. Rome: FAO, 1992.

MLA引文

Williams, Colin. Simple Economics and Bookkeeping for Fish Farmers. Rome: FAO, 1992.

警告：这些引文格式不一定是100％准确.