Barros, F. C., & Victora, C. G. (1990). Brazil: Breastfeeding and diarrhea in Brazilian children. Department of Social Medicine.
Citazione stile Chigago Style (17a edizione)Barros, Fernando C., e Cesar G. Victora. Brazil: Breastfeeding and Diarrhea in Brazilian Children. Brazil: Department of Social Medicine, 1990.
Citatione MLA (9a ed.)Barros, Fernando C., e Cesar G. Victora. Brazil: Breastfeeding and Diarrhea in Brazilian Children. Department of Social Medicine, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.