Sørensen, T. J., & Gleerup, E. (1941). Temperature relations and phenology of the northeast Greenland flowering plants. C.A. Reitzel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSørensen, Thorvald Julius, और E. Gleerup. Temperature Relations and Phenology of the Northeast Greenland Flowering Plants. København: C.A. Reitzel, 1941.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSørensen, Thorvald Julius, और E. Gleerup. Temperature Relations and Phenology of the Northeast Greenland Flowering Plants. C.A. Reitzel, 1941.
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