APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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