Hawkins, R. G., & Walter, I. (1972). The United States and international markets: Commercial policy options in an age of controls. Lexington Books.
芝加哥风格引文Hawkins, Robert G., 与 Ingo Walter. The United States and International Markets: Commercial Policy Options in an Age of Controls. Lexington, Mass: Lexington Books, 1972.
MLA引文Hawkins, Robert G., 与 Ingo Walter. The United States and International Markets: Commercial Policy Options in an Age of Controls. Lexington Books, 1972.
警告：这些引文格式不一定是100％准确.