APA引文

Samuelson, P. A., McCallum, J., & Nordhaus, W. D. (1988). Macroeconomics. Toronto: McGraw-Hill Ryerson Limited.

Trích dẫn kiểu Chicago

Samuelson, Paul A., John McCallum, và William D. Nordhaus. Macroeconomics. Toronto: McGraw-Hill Ryerson Limited, 1988.

MLA引文

Samuelson, Paul A., John McCallum, và William D. Nordhaus. Macroeconomics. Toronto: McGraw-Hill Ryerson Limited, 1988.

警告：这些引文格式不一定是100％准确.