Engel, D. W., & Peterson, L. (2001). Passport USA: Your pocket guide to American business, culture & etiquette. World Trade Press.
芝加哥风格引文Engel, Dean W., 与 Larry Peterson. Passport USA: Your Pocket Guide to American Business, Culture & Etiquette. San Rafael, Calif.: World Trade Press, 2001.
MLA引文Engel, Dean W., 与 Larry Peterson. Passport USA: Your Pocket Guide to American Business, Culture & Etiquette. World Trade Press, 2001.
警告：这些引文格式不一定是100％准确.