Não informado. (2002). Technical bulletin. Western Australian Department of Agriculture.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Technical Bulletin. Perth, Australia: Western Australian Department of Agriculture, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Technical Bulletin. Western Australian Department of Agriculture, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.