Oshaug, A., Benbouzid, D., & Guilbert, J. -. J. (1993). Educational handbook for nutrition trainers: How to increase your skills and make it easier for students to learn. World Health Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)Oshaug, A., D. Benbouzid, και Jean - Jacques Guilbert. Educational Handbook for Nutrition Trainers: How to Increase Your Skills and Make It Easier for Students to Learn. Geneva: World Health Organization, 1993.
Παραπομπή σε μορφή MLA (8th εκδ.)Oshaug, A., et al. Educational Handbook for Nutrition Trainers: How to Increase Your Skills and Make It Easier for Students to Learn. World Health Organization, 1993.
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