Geografi︠i︡a selʹskogo khoz︠i︡aĭstva kapitalisticheskikh stran : SShA, Itali︠i︡a, Kanada, Finl︠i︡andi︠i︡a - Kovalevskiĭ, V. P. (Izd-vo Akademii nauk SSSR, 1963)