Ahuja, G. &. G. (2017). Systematic approach to direct taxation (15th.). Wolters Klwver.
Chicago Style aipamenaAhuja, Girish & Gupta. Systematic Approach to Direct Taxation. 15th. Mohali: Wolters Klwver, 2017.
MLA aipamenaAhuja, Girish & Gupta. Systematic Approach to Direct Taxation. 15th. Wolters Klwver, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.