(2014). Gov't tax, revenue collections improve as a share of GDP. NTRC Tax Research Journal.
Citazione stile Chigago Style (17a edizione)"Gov't Tax, Revenue Collections Improve as a Share of GDP." NTRC Tax Research Journal 2014.
Citatione MLA (9a ed.)"Gov't Tax, Revenue Collections Improve as a Share of GDP." NTRC Tax Research Journal, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.