Nabhi. Nabhis service tax guidelines: Law and procedars. Nabhi Publication.
Citazione stile Chigago Style (17a edizione)Nabhi. Nabhis Service Tax Guidelines: Law and Procedars. Nabhi Publication.
Citatione MLA (9a ed.)Nabhi. Nabhis Service Tax Guidelines: Law and Procedars. Nabhi Publication.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.