Cumings, G. (1973). The complete guide to investment. Harmondsworth: Penguin.
Trích dẫn kiểu ChicagoCumings, Gordon. The Complete Guide to Investment. Harmondsworth: Penguin, 1973.
MLA引文Cumings, Gordon. The Complete Guide to Investment. Harmondsworth: Penguin, 1973.
警告：這些引文格式不一定是100％准確.