Sri Lanka. Janal̄ekhana h̄a Sȧnkhȳal̄ekhana Dep̄artam̄entuva. Bulletin of selected retail and producer prices. Dept. of Census and Statistics.
Chicago-referens (17:e uppl.)Sri Lanka. Janal̄ekhana h̄a Sȧnkhȳal̄ekhana Dep̄artam̄entuva. Bulletin of Selected Retail and Producer Prices. Colombo, Sri Lanka: Dept. of Census and Statistics.
MLA-referens (8:e uppl.)Sri Lanka. Janal̄ekhana h̄a Sȧnkhȳal̄ekhana Dep̄artam̄entuva. Bulletin of Selected Retail and Producer Prices. Dept. of Census and Statistics.
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