(2014). Gov't tax, revenue collections improve as a share of GDP. NTRC Tax Research Journal.
Čikaški stil citiranja (17. izdanje)"Gov't Tax, Revenue Collections Improve as a Share of GDP." NTRC Tax Research Journal 2014.
MLA način citiranja (9. izdanje)"Gov't Tax, Revenue Collections Improve as a Share of GDP." NTRC Tax Research Journal, 2014.
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