Lua APA (7ú heag.)

Matthiessen, P. (1970). Some aspects of the demographic transition in Denmark. København Universitets Fond.

Lua i Stíl Chicago (17ú heag.)

Matthiessen, P.C. Some Aspects of the Demographic Transition in Denmark. København: København Universitets Fond, 1970.

Lua MLA (8ú heag.)

Matthiessen, P.C. Some Aspects of the Demographic Transition in Denmark. København Universitets Fond, 1970.

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