Não informado. (1933). Advisory leaflets. Division of Plant Industry.
Chicago-referens (17:e uppl.)Não informado. Advisory Leaflets. Brisbane, Australia: Division of Plant Industry, 1933.
MLA-referens (8:e uppl.)Não informado. Advisory Leaflets. Division of Plant Industry, 1933.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.