APA-viite (7. p.)

Cross, S., Hughes, S., & Johnson, P. (2009). Collagenase does not persist in human islets following islet isolation.

Chicago-viite (17. p.)

Cross, SE, S. Hughes, ja P. Johnson. Collagenase Does Not Persist in Human Islets Following Islet Isolation. 2009.

MLA-viite (9. p.)

Cross, SE, et al. Collagenase Does Not Persist in Human Islets Following Islet Isolation. 2009.