APA-referens (7:e uppl.)

Cull, C., Wright, A., Holman, R., & Grp, U. (2000). Efficacy over six years of sulphonylurea plus insulin therapy in type 2 diabetic patients in the UKPDS.

Chicago-referens (17:e uppl.)

Cull, C., A. Wright, R. Holman, och U. Grp. Efficacy over Six Years of Sulphonylurea Plus Insulin Therapy in Type 2 Diabetic Patients in the UKPDS. 2000.

MLA-referens (9:e uppl.)

Cull, C., et al. Efficacy over Six Years of Sulphonylurea Plus Insulin Therapy in Type 2 Diabetic Patients in the UKPDS. 2000.