APA引文
Chrisholm, R. (1978). Principles of economics. Scott, Froeman and co..
Chicago Style (17th ed.) Citation
Chrisholm, Roger. Principles of Economics. London: Scott, Froeman and co., 1978.
MLA引文
Chrisholm, Roger. Principles of Economics. Scott, Froeman and co., 1978.
警告:這些引文格式不一定是100%准確.