Burton, M., Derkay, C., & Rosenfeld, R. (2011). Extracts from the Cochrane Library: "Grommets (ventilation tubes) for hearing loss associated with otitis media with effusion in children".
Chicago-viite (17. p.)Burton, M., C. Derkay, ja R. Rosenfeld. Extracts from the Cochrane Library: "Grommets (ventilation Tubes) for Hearing Loss Associated with Otitis Media with Effusion in Children". 2011.
MLA-viite (9. p.)Burton, M., et al. Extracts from the Cochrane Library: "Grommets (ventilation Tubes) for Hearing Loss Associated with Otitis Media with Effusion in Children". 2011.
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