Hokkaido National Agricultural Experiment Station. (2019). Hokkaido Nogyo Shikenjo Hokoku. Hokkaido Nogyo Shikenjo.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHokkaido National Agricultural Experiment Station. Hokkaido Nogyo Shikenjo Hokoku. Sapporo, Japão: Hokkaido Nogyo Shikenjo, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHokkaido National Agricultural Experiment Station. Hokkaido Nogyo Shikenjo Hokoku. Hokkaido Nogyo Shikenjo, 2019.
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