APA-viite (7. p.)

Mahida, Y., & Jewell, D. (1990). Slow-release 5-amino-salicylic acid (Pentasa) for the treatment of active Crohn's disease.

Chicago-viite (17. p.)

Mahida, Y., ja D. Jewell. Slow-release 5-amino-salicylic Acid (Pentasa) for the Treatment of Active Crohn's Disease. 1990.

MLA-viite (9. p.)

Mahida, Y., ja D. Jewell. Slow-release 5-amino-salicylic Acid (Pentasa) for the Treatment of Active Crohn's Disease. 1990.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.