Não informado. (1990). Danish Dairy and Food Industry Worldwide. Danish Dairy Engineers Association.
Chicagoスタイル(17版)引用形式Não informado. Danish Dairy and Food Industry Worldwide. Odense, Dinamarca: Danish Dairy Engineers Association, 1990.
MLA(8版)引用形式Não informado. Danish Dairy and Food Industry Worldwide. Danish Dairy Engineers Association, 1990.
警告: この引用は必ずしも正確ではありません.