Não informado. (2009). Observations Made at Secondary Stations in Netherlands East India. [s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Observations Made at Secondary Stations in Netherlands East India. Batavia, Indonesia: [s.n.], 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Observations Made at Secondary Stations in Netherlands East India. [s.n.], 2009.
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