APA-referens (7:e uppl.)

Popat, S., Hearle, N., Hogberg, L., Braegger, C., O'Donoghue, D., Falth-Magnusson, K., . . . Houlston, R. (2002). Variation in the CTLA4/CD28 gene region confers an increased risk of coeliac disease.

Chicago-referens (17:e uppl.)

Popat, S., et al. Variation in the CTLA4/CD28 Gene Region Confers an Increased Risk of Coeliac Disease. 2002.

MLA-referens (9:e uppl.)

Popat, S., et al. Variation in the CTLA4/CD28 Gene Region Confers an Increased Risk of Coeliac Disease. 2002.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.