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.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումWorld Health Organization. Regional Office for the Eastern Mediterranean and 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.
MLA (9րդ խմբ.) ՄեջբերումWorld Health Organization. Regional Office for the Eastern Mediterranean and 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.