SpringerLink (Online service), Wolfram, N., Rigby, M., Sjöström, M., Frazzica, R. G., & Kirch, W. (2008). Nutrition and Physical Activity: Health Information Sources in EU Member States, and Activities in the Commission, WHO, and European Networks. Springer New York.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Nicole Wolfram, Michael Rigby, Michael Sjöström, Rosa Giuseppa Frazzica, και Wilhelm Kirch. Nutrition and Physical Activity: Health Information Sources in EU Member States, and Activities in the Commission, WHO, and European Networks. New York, NY: Springer New York, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Nutrition and Physical Activity: Health Information Sources in EU Member States, and Activities in the Commission, WHO, and European Networks. Springer New York, 2008.