Não informado. (2004). International Hospital Equipment and Services. Philip King.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Hospital Equipment and Services. Letchworth Herts, Inglaterra: Philip King, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Hospital Equipment and Services. Philip King, 2004.
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