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".
Citação norma ChicagoBurton, M., C. Derkay, and R. Rosenfeld. Extracts from the Cochrane Library: "Grommets (ventilation Tubes) for Hearing Loss Associated with Otitis Media with Effusion in Children". 2011.
Citação norma MLABurton, M., et al. Extracts from the Cochrane Library: "Grommets (ventilation Tubes) for Hearing Loss Associated with Otitis Media with Effusion in Children". 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.