UNESCO. (1977). Indicators of social and economic change and their applications: Division for Socio-economic Analysis, Sector of Social Sciences and their Applications. UNESCO.
Cytowanie według stylu Chicago (wyd. 17)UNESCO. Indicators of Social and Economic Change and Their Applications: Division for Socio-economic Analysis, Sector of Social Sciences and Their Applications. Paris: UNESCO, 1977.
Cytowanie według stylu MLA (wyd. 9)UNESCO. Indicators of Social and Economic Change and Their Applications: Division for Socio-economic Analysis, Sector of Social Sciences and Their Applications. UNESCO, 1977.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..