United Nations. Department of Economic and Social Affairs. User's guide to the population, resources, environment and development databank: (PRED bank, version 2.1). New York: United Nations, 1998. vi, 59 s.
Department of Economic and Social Affairs, P. D. (1998). User's guide to the population, resources, environment and development databank: (PRED bank, version 2.1). New York: United Nations.
Styl ChicagoDepartment of Economic and Social Affairs, Population Division. User's Guide to the Population, Resources, Environment and Development Databank: (PRED Bank, Version 2.1). New York: United Nations, 1998.
Citace podle MLADepartment of Economic and Social Affairs, Population Division. User's Guide to the Population, Resources, Environment and Development Databank: (PRED Bank, Version 2.1). New York: United Nations, 1998.
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