Zheng, S. (2000). Towards onions and shallots (Allium cepa L.) resistant to beet armyworm (Spodoptera exigua Hübner) by transgenesis and conventional breeding. s.n..
Chicago-Zitierstil (17. Ausg.)Zheng, Si-Jun. Towards Onions and Shallots (Allium Cepa L.) Resistant to Beet Armyworm (Spodoptera Exigua Hübner) by Transgenesis and Conventional Breeding. [Wageningen: s.n., 2000.
MLA-Zitierstil (8. Ausg.)Zheng, Si-Jun. Towards Onions and Shallots (Allium Cepa L.) Resistant to Beet Armyworm (Spodoptera Exigua Hübner) by Transgenesis and Conventional Breeding. s.n., 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.