Mehra Shital Kakkar. (2012). Business Etiquette. Collins Business.
芝加哥风格引文Mehra Shital Kakkar. Business Etiquette. Noida: Collins Business, 2012.
MLA引文Mehra Shital Kakkar. Business Etiquette. Collins Business, 2012.
警告：这些引文格式不一定是100％准确.
APA引文