Langton, M. B. (1904). How to know oriental rugs, a handbook. D. Appleton and Company.
Lua i Stíl Chicago (17ú heag.)Langton, Mary Beach. How to Know Oriental Rugs, a Handbook. New York: D. Appleton and Company, 1904.
Lua MLA (8ú heag.)Langton, Mary Beach. How to Know Oriental Rugs, a Handbook. D. Appleton and Company, 1904.
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