World Health Organization. Regional Office for Europe & Michaelsen, K. F. (2000). Feeding and nutrition of infants and young children: Guidelines for the WHO European Region, with emphasis on the former Soviet countries. WHO Regional Office for Europe.
Cytowanie według stylu Chicago (wyd. 17)World Health Organization. Regional Office for Europe i Kim Fleischer Michaelsen. Feeding and Nutrition of Infants and Young Children: Guidelines for the WHO European Region, with Emphasis on the Former Soviet Countries. Copenhagen: WHO Regional Office for Europe, 2000.
Cytowanie według stylu MLA (wyd. 9)World Health Organization. Regional Office for Europe i Kim Fleischer Michaelsen. Feeding and Nutrition of Infants and Young Children: Guidelines for the WHO European Region, with Emphasis on the Former Soviet Countries. WHO Regional Office for Europe, 2000.