World Health Organization. (1987). Hand in Hand Towards Health for All. World Health Organization Regional Office for the Eastern Mediterranean.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Health Organization. Hand in Hand Towards Health for All. Egypt: World Health Organization Regional Office for the Eastern Mediterranean, 1987.
Παραπομπή σε μορφή MLA (9th εκδ.)World Health Organization. Hand in Hand Towards Health for All. World Health Organization Regional Office for the Eastern Mediterranean, 1987.
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