Rafn, J. (2023). The Testing of Forest Seeds During 25 years 1887-1912. Forest Research Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRafn, Johannes. The Testing of Forest Seeds During 25 Years 1887-1912. Forest Research Institute, 2023.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRafn, Johannes. The Testing of Forest Seeds During 25 Years 1887-1912. Forest Research Institute, 2023.
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