Não informado. (1953). Scandinavian economic history review. Scandinavian Society for Economic and Social Historical Geography.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Scandinavian Economic History Review. Jyvaskyla, Finlândia: Scandinavian Society for Economic and Social Historical Geography, 1953.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Scandinavian Economic History Review. Scandinavian Society for Economic and Social Historical Geography, 1953.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.