(1972). Glasshouse lettuce ([Rev. ed.].). Ministry of Agriculture, Fisheries and Food, Agricultural Development and Advisory Service.
Chicago-Zitierstil (17. Ausg.)Glasshouse Lettuce. [Rev. ed.]. [Pinner]: Ministry of Agriculture, Fisheries and Food, Agricultural Development and Advisory Service, 1972.
MLA-Zitierstil (9. Ausg.)Glasshouse Lettuce. [Rev. ed.]. Ministry of Agriculture, Fisheries and Food, Agricultural Development and Advisory Service, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.