Tonga. Statistics Dept. Statistical bulletin on consumer price index. Statistics Dept., Govt. of Tonga.
Chicago-referens (17:e uppl.)Tonga. Statistics Dept. Statistical Bulletin on Consumer Price Index. Nukuʻalofa, Tonga: Statistics Dept., Govt. of Tonga.
MLA-referens (9:e uppl.)Tonga. Statistics Dept. Statistical Bulletin on Consumer Price Index. Statistics Dept., Govt. of Tonga.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
