APA (7e ed.) Bronvermelding

Orchard, T., Wordsworth, B., & Jewell, D. (1997). Peripheral arthropathies in inflammatory bowel disease: Their articular distribution and natural history.

Chicago (17e ed.) Bronvermelding

Orchard, T., B. Wordsworth, en D. Jewell. Peripheral Arthropathies in Inflammatory Bowel Disease: Their Articular Distribution and Natural History. 1997.

MLA (9e ed.) Bronvermelding

Orchard, T., et al. Peripheral Arthropathies in Inflammatory Bowel Disease: Their Articular Distribution and Natural History. 1997.