APA-viite

Allen, J., North, J. B., Wysocki, A. P., Ware, R. S., & Rey-Conde, T. (2015). Surgical care for the aged: A retrospective cross-sectional study of a national surgical mortality audit. BMJ Open.

Chicago-tyylinen lähdeviittaus

Allen, Jennifer, John B. North, Arkadiusz Peter Wysocki, Robert S. Ware, ja Therese Rey-Conde. "Surgical Care for the Aged: A Retrospective Cross-sectional Study of a National Surgical Mortality Audit." BMJ Open 2015.

MLA-viite

Allen, Jennifer, et al. "Surgical Care for the Aged: A Retrospective Cross-sectional Study of a National Surgical Mortality Audit." BMJ Open 2015.

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