APA-viite (7. p.)

ebrary, Inc, Field, D., Tillotson, J., & Macfarlane, M. (2009). Ophthalmic study guide for nurses and health professionals. M&K Update.

Chicago-viite (17. p.)

ebrary, Inc, Dorothy Field, Julie Tillotson, ja Mandy Macfarlane. Ophthalmic Study Guide for Nurses and Health Professionals. Keswick [England]: M&K Update, 2009.

MLA-viite (9. p.)

ebrary, Inc, et al. Ophthalmic Study Guide for Nurses and Health Professionals. M&K Update, 2009.