APA (7e ed.) Bronvermelding

Tillett, W., Orbai, A., Ogdie, A., Leung, Y., Strand, V., Gladman, D., . . . Coates, L. (2017). GRAPPA-OMERACT initiative to standardise outcomes in psoriatic arthritis clinical trials and longitudinal observational studies. BMJ Publishing Group.

Chicago (17e ed.) Bronvermelding

Tillett, W., A. Orbai, A. Ogdie, Y. Leung, V. Strand, D. Gladman, P. Mease, en L. Coates. GRAPPA-OMERACT Initiative to Standardise Outcomes in Psoriatic Arthritis Clinical Trials and Longitudinal Observational Studies. BMJ Publishing Group, 2017.

MLA (9e ed.) Bronvermelding

Tillett, W., et al. GRAPPA-OMERACT Initiative to Standardise Outcomes in Psoriatic Arthritis Clinical Trials and Longitudinal Observational Studies. BMJ Publishing Group, 2017.