APA-ийн эшлэл(7 дахь хэвлэлт)

Atallah, A., Collins, R., Farrell, B., Handoll, H., Freitas, A., Kinsui, L., . . . Silva, I. (1996). ECPPA: Randomised trial of low dose aspirin for the prevention of maternal and fetal complications in high risk pregnant women.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Atallah, A., et al. ECPPA: Randomised Trial of Low Dose Aspirin for the Prevention of Maternal and Fetal Complications in High Risk Pregnant Women. 1996.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Atallah, A., et al. ECPPA: Randomised Trial of Low Dose Aspirin for the Prevention of Maternal and Fetal Complications in High Risk Pregnant Women. 1996.