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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)World Health Organization. Regional Office for the Eastern Mediterranean và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)World Health Organization. Regional Office for the Eastern Mediterranean và 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.