APA aipamena

Valev, Ė. B. (1973). Economic geography of Cuba. Joint Publications Research Service.

Chicago Style aipamena

Valev, Ė. B. Economic Geography of Cuba. [Arlington, Va.: Joint Publications Research Service, 1973.

MLA aipamena

Valev, Ė. B. Economic Geography of Cuba. Joint Publications Research Service, 1973.