Valev, Ė. B. (1973). Economic geography of Cuba. Joint Publications Research Service.
Lua i Stíl Chicago (17ú heag.)Valev, Ė. B. Economic Geography of Cuba. [Arlington, Va.: Joint Publications Research Service, 1973.
Lua MLA (8ú heag.)Valev, Ė. B. Economic Geography of Cuba. Joint Publications Research Service, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.