APA-ийн эшлэл(7 дахь хэвлэлт)
NICHOLSON, A., & ALBERMAN, E. PREDICTION OF THE NUMBER OF DOWN'S SYNDROME INFANTS TO BE BORN IN ENGLAND AND WALES UP TO THE YEAR 2000 AND THEIR LIKELY SURVIVAL RATES.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
NICHOLSON, A., ба E. ALBERMAN. PREDICTION OF THE NUMBER OF DOWN'S SYNDROME INFANTS TO BE BORN IN ENGLAND AND WALES UP TO THE YEAR 2000 AND THEIR LIKELY SURVIVAL RATES.
MLA -ийн эшлэл (9 дэх хэвлэлт)
NICHOLSON, A., ба E. ALBERMAN. PREDICTION OF THE NUMBER OF DOWN'S SYNDROME INFANTS TO BE BORN IN ENGLAND AND WALES UP TO THE YEAR 2000 AND THEIR LIKELY SURVIVAL RATES.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.