Não informado. (1999). Research in the New Zealand Department of Agriculture. New Zealand Department of Agriculture, Research Division.
Chicago-referens (17:e uppl.)Não informado. Research in the New Zealand Department of Agriculture. Wellington: New Zealand Department of Agriculture, Research Division, 1999.
MLA-referens (8:e uppl.)Não informado. Research in the New Zealand Department of Agriculture. New Zealand Department of Agriculture, Research Division, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.