APA-ийн эшлэл(7 дахь хэвлэлт)

Sharma, R. C. (2020). Business Correspondence and Report Writing (6th.). McGraw Hill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Sharma, R C. Business Correspondence and Report Writing. 6th. Chennai: McGraw Hill, 2020.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Sharma, R C. Business Correspondence and Report Writing. 6th. McGraw Hill, 2020.