Benham, L., & Brozen, Y. (1975). Advertising, competition, and the price of eyeglasses. American Enterprise Institute.
芝加哥风格引文Benham, Lee, 与 Yale Brozen. Advertising, Competition, and the Price of Eyeglasses. Washington, D. C: American Enterprise Institute, 1975.
MLA引文Benham, Lee, 与 Yale Brozen. Advertising, Competition, and the Price of Eyeglasses. American Enterprise Institute, 1975.
警告：这些引文格式不一定是100％准确.