APA-referens (7:e uppl.)

Goringe, A., Ellis, R., McDowell, I., Vidal-Alaball, J., Jenkins, C., Butler, C., & Worwood, M. (2006). The limited value of methylmalonic acid, homocysteine and holotranscobalamin in the diagnosis of early B12 deficiency.

Chicago-referens (17:e uppl.)

Goringe, A., R. Ellis, I. McDowell, J. Vidal-Alaball, C. Jenkins, C. Butler, och M. Worwood. The Limited Value of Methylmalonic Acid, Homocysteine and Holotranscobalamin in the Diagnosis of Early B12 Deficiency. 2006.

MLA-referens (9:e uppl.)

Goringe, A., et al. The Limited Value of Methylmalonic Acid, Homocysteine and Holotranscobalamin in the Diagnosis of Early B12 Deficiency. 2006.