APA (7 वां संस्करण) प्रशस्ति पत्र

World Health Organization. (1995). International travel and health: Vaccination requirements and health advice. World Health Organization.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

World Health Organization. International Travel and Health: Vaccination Requirements and Health Advice. Geneva: World Health Organization, 1995.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

World Health Organization. International Travel and Health: Vaccination Requirements and Health Advice. World Health Organization, 1995.

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