International Vitamin A Consultative Group & Underwood, B. A. (1989). Guidelines for the development of simplified dietary assessment to identify groups at risk for inadequate intake of Vitamin A: A report of the International Vitamin A Consultative Group (IVACG). IVACG.
Chicago-Zitierstil (17. Ausg.)International Vitamin A Consultative Group und Barbara A. Underwood. Guidelines for the Development of Simplified Dietary Assessment to Identify Groups at Risk for Inadequate Intake of Vitamin A: A Report of the International Vitamin A Consultative Group (IVACG). Washington, D.C: IVACG, 1989.
MLA-Zitierstil (9. Ausg.)International Vitamin A Consultative Group und Barbara A. Underwood. Guidelines for the Development of Simplified Dietary Assessment to Identify Groups at Risk for Inadequate Intake of Vitamin A: A Report of the International Vitamin A Consultative Group (IVACG). IVACG, 1989.