APA-ийн эшлэл(7 дахь хэвлэлт)
Kramer, M. S., & Kakuma, R. (2002). The optimal duration of exclusive breastfeeding: A systematic review. Dept. of Nutrition for Health and Development, Dept. of Child and Adolescent Health and Development, World Health Organization.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Kramer, Michael S., ба Ritsuko Kakuma. The Optimal Duration of Exclusive Breastfeeding: A Systematic Review. Geneva: Dept. of Nutrition for Health and Development, Dept. of Child and Adolescent Health and Development, World Health Organization, 2002.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Kramer, Michael S., ба Ritsuko Kakuma. The Optimal Duration of Exclusive Breastfeeding: A Systematic Review. Dept. of Nutrition for Health and Development, Dept. of Child and Adolescent Health and Development, World Health Organization, 2002.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.