APA-ийн эшлэл(7 дахь хэвлэлт)

Girish Ahuja , R. G., & Ravi Gupta. (2021). Systematice Approcach to Income Tax (43rd Ed.). Commercial law Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Girish Ahuja , Ravi Gupta, ба Ravi Gupta. Systematice Approcach to Income Tax. 43rd Ed. New Delhi: Commercial law Publishers, 2021.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Girish Ahuja , Ravi Gupta, ба Ravi Gupta. Systematice Approcach to Income Tax. 43rd Ed. Commercial law Publishers, 2021.