Brahme, F. (1975). Studies on Crohn's disease: Epidemiology, roentgenology of the colon, angiology, and angiography. s.n.].
Chicago-viite (17. p.)Brahme, Folke. Studies on Crohn's Disease: Epidemiology, Roentgenology of the Colon, Angiology, and Angiography. Malmö, [Sweden: s.n.], 1975.
MLA-viite (8. p.)Brahme, Folke. Studies on Crohn's Disease: Epidemiology, Roentgenology of the Colon, Angiology, and Angiography. s.n.], 1975.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.