APA (7e ed.) Bronvermelding

Não informado. (2008). Ophthalmology Times International. Advanstar Communications.

Chicago (17e ed.) Bronvermelding

Não informado. Ophthalmology Times International. Cleveland, Ohio: Advanstar Communications, 2008.

MLA (8e ed.) Bronvermelding

Não informado. Ophthalmology Times International. Advanstar Communications, 2008.

Let op: Deze citaties zijn niet altijd 100% accuraat.