World Health Organization. (2003). Dots at the workplace: Guidelines for TB control activities at the workplace. World Health Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Health Organization. Dots at the Workplace: Guidelines for TB Control Activities at the Workplace. New Delhi: World Health Organization, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)World Health Organization. Dots at the Workplace: Guidelines for TB Control Activities at the Workplace. World Health Organization, 2003.
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