Cohen, R. D. (2011). Inflammatory bowel disease: Diagnosis and therapeutics (Second edition.). Humana Totowa. https://doi.org/10.1007/978-1-60327-433-3
Chicago-viite (17. p.)Cohen, Russell D. Inflammatory Bowel Disease: Diagnosis and Therapeutics. Second edition. New Jersey: Humana Totowa, 2011. https://doi.org/10.1007/978-1-60327-433-3.
MLA-viite (9. p.)Cohen, Russell D. Inflammatory Bowel Disease: Diagnosis and Therapeutics. Second edition. Humana Totowa, 2011. https://doi.org/10.1007/978-1-60327-433-3.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.