Department for Economic and Social information and Policy Analysis Population Division. (1994). World population prospects: The 1994 revision. New York: United Nations.
শিকাগো স্টাইলে সাইটেশনDepartment for Economic and Social information and Policy Analysis Population Division. World Population Prospects: The 1994 Revision. New York: United Nations, 1994.
এমএলএ সাইটেশনDepartment for Economic and Social information and Policy Analysis Population Division. World Population Prospects: The 1994 Revision. New York: United Nations, 1994.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.