Não informado. (1987). Norwegian Journal of Agricultural Sciences. Norwegian Agricultural Advisory Centre.
Chicagoスタイル(17版)引用形式Não informado. Norwegian Journal of Agricultural Sciences. As, Noruega: Norwegian Agricultural Advisory Centre, 1987.
MLA(8版)引用形式Não informado. Norwegian Journal of Agricultural Sciences. Norwegian Agricultural Advisory Centre, 1987.
警告: この引用は必ずしも正確ではありません.