Sri Lanka. Janal̄ekhana h̄a Sȧnkhȳal̄ekhana Dep̄artam̄entuva. Bulletin of selected retail and producer prices. Dept. of Census and Statistics.
Παραπομπή σε μορφή Chicago (17η εκδ.)Sri Lanka. Janal̄ekhana h̄a Sȧnkhȳal̄ekhana Dep̄artam̄entuva. Bulletin of Selected Retail and Producer Prices. Colombo, Sri Lanka: Dept. of Census and Statistics.
Παραπομπή σε μορφή MLA (8th εκδ.)Sri Lanka. Janal̄ekhana h̄a Sȧnkhȳal̄ekhana Dep̄artam̄entuva. Bulletin of Selected Retail and Producer Prices. Dept. of Census and Statistics.
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