World Health Organization. Regional Office for the Eastern Mediterranean & ebrary, Inc. (2009). A practical guide to developing and implementing school policy on diet and physical activity. World Health Organization, Regional Office for the Eastern Mediterranean.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Regional Office for the Eastern Mediterranean و Inc ebrary. A Practical Guide to Developing and Implementing School Policy on Diet and Physical Activity. Geneva: World Health Organization, Regional Office for the Eastern Mediterranean, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization. Regional Office for the Eastern Mediterranean و Inc ebrary. A Practical Guide to Developing and Implementing School Policy on Diet and Physical Activity. World Health Organization, Regional Office for the Eastern Mediterranean, 2009.