Direct tax bulletin. Vol.18, 1980. Nirikshan Nideshalaya.
Chicago Edition CitationDirect Tax Bulletin. Vol.18, 1980. New Delhi: Nirikshan Nideshalaya.
Cita MLADirect Tax Bulletin. Vol.18, 1980. Nirikshan Nideshalaya.
Atenció: Aquestes cites poden no estar 100% correctes.