APA-viite (7. p.)

Orchard, T., Thiyagaraja, S., Welsh, K., Wordsworth, B., & Jewell, D. (1998). HLA genes are important phenotype determining genes in the peripheral arthropathies of inflammatory bowel disease (IBD).

Chicago-viite (17. p.)

Orchard, T., S. Thiyagaraja, K. Welsh, B. Wordsworth, ja D. Jewell. HLA Genes Are Important Phenotype Determining Genes in the Peripheral Arthropathies of Inflammatory Bowel Disease (IBD). 1998.

MLA-viite (9. p.)

Orchard, T., et al. HLA Genes Are Important Phenotype Determining Genes in the Peripheral Arthropathies of Inflammatory Bowel Disease (IBD). 1998.