APA

Coleman D. a., .Contrasting age structures of western Europe and of eastern Europe and the former Soviet Union : Demographic curiosity or labor resource ?. : .

Chicago

Coleman D a, .Contrasting age structures of western Europe and of eastern Europe and the former Soviet Union : Demographic curiosity or labor resource ?. : .

Harvard

Coleman D. a., .Contrasting age structures of western Europe and of eastern Europe and the former Soviet Union : Demographic curiosity or labor resource ?. : .

MLA

Coleman D a, .: . .