อ้างอิง ของ ภาวะแก่แดด

  1. ↑ Helfrich, Yr; Sachs, Dl; Voorhees, Jj (2008). "Overview of skin aging and photoaging" (PDF). Dermatology nursing / Dermatology Nurses' Association. 20 (3): 177–83, quiz 184. ISSN 1060-3441. PMID 18649702. Unknown parameter |month= ignored (help)CS1 maint: Multiple names: authors list (link)
  2. ↑ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.CS1 maint: Multiple names: authors list (link)
  3. ↑ James, William D.; Berger, Timothy G.; และคณะ (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)