United States. Maternal and Child Health Bureau. (2019). Caring for our children: National health and safety performance standards, guidelines for early care, and education programs (Fourth edition.). APHA Press, imprint of American Public Health Association ; American Academy of Pediatrics ; National Resource Center for Health and Safety in Child Care and Early Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Maternal and Child Health Bureau. Caring for Our Children: National Health and Safety Performance Standards, Guidelines for Early Care, and Education Programs. Fourth edition. Washington, DC : Itasca, IL : Aurora, CO: APHA Press, imprint of American Public Health Association ; American Academy of Pediatrics ; National Resource Center for Health and Safety in Child Care and Early Education, 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United States. Maternal and Child Health Bureau. Caring for Our Children: National Health and Safety Performance Standards, Guidelines for Early Care, and Education Programs. Fourth edition. APHA Press, imprint of American Public Health Association ; American Academy of Pediatrics ; National Resource Center for Health and Safety in Child Care and Early Education, 2019.