Cua, I. Y. (2017). Laser vision correction. IN Health Corner [column]. Philippine Star.
Čikaški stil citiranja (17. izdanje)Cua, Irwin Y. "Laser Vision Correction. IN Health Corner [column]." Philippine Star 2017.
MLA način citiranja (9. izdanje)Cua, Irwin Y. "Laser Vision Correction. IN Health Corner [column]." Philippine Star, 2017.
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