World Health Organization. (2006). Reproductive Health Indicators; Guidelines for their generation, intepretation and analysis for global monitoring. World Health Organization.
Cytowanie według stylu Chicago (wyd. 17)World Health Organization. Reproductive Health Indicators; Guidelines for Their Generation, Intepretation and Analysis for Global Monitoring. Switzerland: World Health Organization, 2006.
Cytowanie według stylu MLA (wyd. 9)World Health Organization. Reproductive Health Indicators; Guidelines for Their Generation, Intepretation and Analysis for Global Monitoring. World Health Organization, 2006.
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