Não informado. (2000). Tohoku-ku Suisan Kenkyusho kenkyu hokoku. Suisan-cho Tohoku-ku Suisan Kenkyujo.
Chicagoスタイル(17版)引用形式Não informado. Tohoku-ku Suisan Kenkyusho Kenkyu Hokoku. Shiogama, Japão: Suisan-cho Tohoku-ku Suisan Kenkyujo, 2000.
MLA(8版)引用形式Não informado. Tohoku-ku Suisan Kenkyusho Kenkyu Hokoku. Suisan-cho Tohoku-ku Suisan Kenkyujo, 2000.
警告: この引用は必ずしも正確ではありません.