Não informado. (1990). Danish Dairy and Food Industry Worldwide. Danish Dairy Engineers Association.
Cita Chicago Style (17a ed.)Não informado. Danish Dairy and Food Industry Worldwide. Odense, Dinamarca: Danish Dairy Engineers Association, 1990.
Cita MLA (8a ed.)Não informado. Danish Dairy and Food Industry Worldwide. Danish Dairy Engineers Association, 1990.
Precaución: Estas citas no son 100% exactas.