APA-referens (7:e uppl.)

Cullen, S., Jewell, D., & Chapman, R. (2002). Susceptibility to primary sclerosing cholangitis is associated with a polymorphism of the MMP-9 (gelatinase B) gene.

Chicago-referens (17:e uppl.)

Cullen, SN, D. Jewell, och R. Chapman. Susceptibility to Primary Sclerosing Cholangitis Is Associated with a Polymorphism of the MMP-9 (gelatinase B) Gene. 2002.

MLA-referens (9:e uppl.)

Cullen, SN, et al. Susceptibility to Primary Sclerosing Cholangitis Is Associated with a Polymorphism of the MMP-9 (gelatinase B) Gene. 2002.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.