Lua APA (7ú heag.)

Yu, J., East, J., & Kaltenbach, T. (2016). Surveillance of patients with inflammatory bowel disease. Elsevier.

Lua i Stíl Chicago (17ú heag.)

Yu, J., J. East, agus T. Kaltenbach. Surveillance of Patients with Inflammatory Bowel Disease. Elsevier, 2016.

Lua MLA (9ú heag.)

Yu, J., et al. Surveillance of Patients with Inflammatory Bowel Disease. Elsevier, 2016.

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