APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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