Mehra,Shital Kakkar. (2012). Business etiqette. Harper Callins.
Lua i Stíl Chicago (17ú heag.)Mehra,Shital Kakkar. Business Etiqette. Noida: Harper Callins, 2012.
Lua MLA (9ú heag.)Mehra,Shital Kakkar. Business Etiqette. Harper Callins, 2012.
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