(1989). Production and protection of oilseed rape and other Brassica crops: 18 - 19 December 1989, Churchill College, Cambridge.
Chicago-Zitierstil (17. Ausg.)Production and Protection of Oilseed Rape and Other Brassica Crops: 18 - 19 December 1989, Churchill College, Cambridge. Wellesbourne, Warwick, 1989.
MLA-Zitierstil (9. Ausg.)Production and Protection of Oilseed Rape and Other Brassica Crops: 18 - 19 December 1989, Churchill College, Cambridge. 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.