APA引文

HENDERSON, J. V., & POOLE, W. (1991). Principles of economics. D.C. Heath and Co.

Chicago Style (17th ed.) Citation

HENDERSON, J. Vernon, and William POOLE. Principles of Economics. Lexington: D.C. Heath and Co, 1991.

MLA引文

HENDERSON, J. Vernon, and William POOLE. Principles of Economics. D.C. Heath and Co, 1991.

警告：這些引文格式不一定是100％准確.