United States. Dept. of Agriculture. Economic Research Service. World economic conditions in relation to agricultural trade. U.S. Dept. of Agriculture, Economic Research Service.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումUnited States. Dept. of Agriculture. Economic Research Service. World Economic Conditions in Relation to Agricultural Trade. [Washington]: U.S. Dept. of Agriculture, Economic Research Service.
MLA (8րդ խմբ.) ՄեջբերումUnited States. Dept. of Agriculture. Economic Research Service. World Economic Conditions in Relation to Agricultural Trade. U.S. Dept. of Agriculture, Economic Research Service.
Զգուշացում. այս մեջբերումները միշտ չէ, որ կարող են 100% ճշգրիտ լինել.