Não informado. (2002). Report of the Production Division. Milk Marketing Board.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Report of the Production Division. Thames Ditton, Inglaterra: Milk Marketing Board, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Report of the Production Division. Milk Marketing Board, 2002.
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