Great Britain. Ministry of Agriculture, Fisheries and Food, & Agricultural Development and Advisory Service (Great Britain). (1974). Key for the field identification of apterous and alate cereal aphids with photographic illustrations. Ministry of Agriculture, Fisheries and Food.
Citazione stile Chigago Style (17a edizione)Great Britain. Ministry of Agriculture, Fisheries and Food, e Agricultural Development and Advisory Service (Great Britain). Key for the Field Identification of Apterous and Alate Cereal Aphids with Photographic Illustrations. Middlesex, England: Ministry of Agriculture, Fisheries and Food, 1974.
Citatione MLA (9a ed.)Great Britain. Ministry of Agriculture, Fisheries and Food, e Agricultural Development and Advisory Service (Great Britain). Key for the Field Identification of Apterous and Alate Cereal Aphids with Photographic Illustrations. Ministry of Agriculture, Fisheries and Food, 1974.