Não informado. (1999). Research in the New Zealand Department of Agriculture. New Zealand Department of Agriculture, Research Division.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Research in the New Zealand Department of Agriculture. Wellington: New Zealand Department of Agriculture, Research Division, 1999.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Research in the New Zealand Department of Agriculture. New Zealand Department of Agriculture, Research Division, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.