Kārmika Saṃvardhana Maṇḍalaya. (1968). Quality products from Ceylon. Industrial Development Board.
Chicago Style (17th ed.) CitationKārmika Saṃvardhana Maṇḍalaya. Quality Products from Ceylon. [Colombo: Industrial Development Board, 1968.
MLA引文Kārmika Saṃvardhana Maṇḍalaya. Quality Products from Ceylon. Industrial Development Board, 1968.
警告：这些引文格式不一定是100％准确.