Cita APA (7th ed.)

ebrary, Inc, & Watkinson, S. (2009). Issues in ophthalmic practice: Current and future challenges. M&K Update Ltd..

Cita Chicago (17th ed.)

ebrary, Inc, i Sue Watkinson. Issues in Ophthalmic Practice: Current and Future Challenges. Cumbria [England]: M&K Update Ltd., 2009.

Cita MLA (9th ed.)

ebrary, Inc, i Sue Watkinson. Issues in Ophthalmic Practice: Current and Future Challenges. M&K Update Ltd., 2009.