World Health Organization. Executive Board. (1979). Formulating strategies for health for all by the year 2000: Guiding principles and essential issues. World Health Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Health Organization. Executive Board. Formulating Strategies for Health for All by the Year 2000: Guiding Principles and Essential Issues. Geneva: World Health Organization, 1979.
Παραπομπή σε μορφή MLA (8th εκδ.)World Health Organization. Executive Board. Formulating Strategies for Health for All by the Year 2000: Guiding Principles and Essential Issues. World Health Organization, 1979.
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