Pullan, R. D. (1996). Colonic mucus, smoking and ulcerative colitis. Royal College of Surgeons of England.
Čikaški stil citiranjaPullan, R. D. Colonic Mucus, Smoking and Ulcerative Colitis. Royal College of Surgeons of England, 1996.
MLA način citiranjaPullan, R. D. Colonic Mucus, Smoking and Ulcerative Colitis. Royal College of Surgeons of England, 1996.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.