Hokkaido National Agricultural Experiment Station. (2019). Hokkaido Nogyo Shikenjo Hokoku. Hokkaido Nogyo Shikenjo.
Citação do estilo Chicago (17ª ed.)Hokkaido National Agricultural Experiment Station. Hokkaido Nogyo Shikenjo Hokoku. Sapporo, Japão: Hokkaido Nogyo Shikenjo, 2019.
Citação MLA (8ª ed.)Hokkaido National Agricultural Experiment Station. Hokkaido Nogyo Shikenjo Hokoku. Hokkaido Nogyo Shikenjo, 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.