Não informado. (1990). Danish Dairy and Food Industry Worldwide. Danish Dairy Engineers Association.
Čikaški stil citiranja (17. izdanje)Não informado. Danish Dairy and Food Industry Worldwide. Odense, Dinamarca: Danish Dairy Engineers Association, 1990.
MLA način citiranja (8. izdanje)Não informado. Danish Dairy and Food Industry Worldwide. Danish Dairy Engineers Association, 1990.
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