Ajayi, O. (1981). Interactions between Barley Yellow Dwarf virus, aphids and Cladosporium on cereals. University of London.
Chicago-referens (17:e uppl.)Ajayi, Olupomi. Interactions Between Barley Yellow Dwarf Virus, Aphids and Cladosporium on Cereals. University of London, 1981.
MLA-referens (8:e uppl.)Ajayi, Olupomi. Interactions Between Barley Yellow Dwarf Virus, Aphids and Cladosporium on Cereals. University of London, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.