Ert. (1981). Ert 's fashion designs: 218 illustrations from"harpers bazaar," 1918-1932. Dover Publications.
Lua i Stíl Chicago (17ú heag.)Ert. Ert 'S Fashion Designs: 218 Illustrations From"harpers Bazaar," 1918-1932. New York: Dover Publications, 1981.
Lua MLA (9ú heag.)Ert. Ert 'S Fashion Designs: 218 Illustrations From"harpers Bazaar," 1918-1932. Dover Publications, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.