Lua APA (7ú heag.)
ebrary, Inc, Sung, J. J. Y., Kuipers, E. J., & Barkun, A. (2012). Gastrointestinal bleeding (2nd ed.). Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Joseph J. Y. Sung, Ernst J. Kuipers, agus Alan Barkun. Gastrointestinal Bleeding. 2nd ed. Chichester, West Sussex: Wiley-Blackwell, 2012.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Gastrointestinal Bleeding. 2nd ed. Wiley-Blackwell, 2012.
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