Cita APA

Yorston, D., & Garg, P. (2009). Corneal grafting: What eye care workers need to know. International Centre for Eye Health.

Chicago Style Citation

Yorston, David, i Prashant Garg. Corneal Grafting: What Eye Care Workers Need to Know. International Centre for Eye Health, 2009.

Cita MLA

Yorston, David, i Prashant Garg. Corneal Grafting: What Eye Care Workers Need to Know. International Centre for Eye Health, 2009.