Παραπομπή σε μορφή APA (7η εκδ.)

Opiyo, N., & English, M. (2011). What clinical signs best identify severe illness in young infants aged 0-59 days in developing countries? A systematic review.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Opiyo, N., και M. English. What Clinical Signs Best Identify Severe Illness in Young Infants Aged 0-59 Days in Developing Countries? A Systematic Review. 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Opiyo, N., και M. English. What Clinical Signs Best Identify Severe Illness in Young Infants Aged 0-59 Days in Developing Countries? A Systematic Review. 2011.