APA引文

(1957). Three Essays On The State Of Economic Science / Tjalling C. Koopmans. McGraw-Hill.

Chicago Style (17th ed.) Citation

Three Essays On The State Of Economic Science / Tjalling C. Koopmans. McGraw-Hill, 1957.

MLA引文

Three Essays On The State Of Economic Science / Tjalling C. Koopmans. McGraw-Hill, 1957.

警告：这些引文格式不一定是100％准确.