Varona, L. L. (2012). Cow's milk allergy vs. lactose intolerance. IN Dear Doctor [column]. Health & Home.
Lua i Stíl Chicago (17ú heag.)Varona, Linda Lim. "Cow's Milk Allergy Vs. Lactose Intolerance. IN Dear Doctor [column]." Health & Home 2012.
Lua MLA (9ú heag.)Varona, Linda Lim. "Cow's Milk Allergy Vs. Lactose Intolerance. IN Dear Doctor [column]." Health & Home, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.