Cita APA (7th ed.)
ebrary, Inc, Talley, N. J., Locke, G. R., & Saito, Y. A. (2007). GI epidemiology. Blackwell Pub..
Cita Chicago (17th ed.)
ebrary, Inc, Nicholas Joseph Talley, G. Richard Locke, i Yuri A. Saito. GI Epidemiology. Malden, Mass.: Blackwell Pub., 2007.
Cita MLA (9th ed.)
ebrary, Inc, et al. GI Epidemiology. Blackwell Pub., 2007.
Atenció: Aquestes cites poden no estar 100% correctes.