At 8 - month - old, milk (breastmilk or formula) is and should be your daughter's main source of nutrition for months to come. (easybabylife.com)
The current recommendations indicate that breast milk or formula should be baby's main source of nutrition until at least 6 months of age. (wholesomebabyfood.momtastic.com)
Consider this: a baby's main source of nutrition comes from either formula, breast milk or both during the first 12 months of life. (wholesomebabyfood.momtastic.com)