Ert. (1981). Ert 's fashion designs: 218 illustrations from"harpers bazaar," 1918-1932. Dover Publications.
Čikaški stil citiranja (17. izdanje)Ert. Ert 'S Fashion Designs: 218 Illustrations From"harpers Bazaar," 1918-1932. New York: Dover Publications, 1981.
MLA način citiranja (9. izdanje)Ert. Ert 'S Fashion Designs: 218 Illustrations From"harpers Bazaar," 1918-1932. Dover Publications, 1981.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.