Não informado. (1933). Advisory leaflets. Division of Plant Industry.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Advisory Leaflets. Brisbane, Australia: Division of Plant Industry, 1933.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Advisory Leaflets. Division of Plant Industry, 1933.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.