Horn, E., & Ashbaugh, E. J. (1928). The Horn-Ashbaugh high school speller: Incorporating the findings of a tabular analysis of 5,100,000 words of ordinary writing and of over 1,000,000 running words of letters written by high school students. J.B. Lippincott Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHorn, Ernest, और Ernest J. Ashbaugh. The Horn-Ashbaugh High School Speller: Incorporating the Findings of a Tabular Analysis of 5,100,000 Words of Ordinary Writing and of over 1,000,000 Running Words of Letters Written by High School Students. Philadelphia [etc.]: J.B. Lippincott Co, 1928.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHorn, Ernest, और Ernest J. Ashbaugh. The Horn-Ashbaugh High School Speller: Incorporating the Findings of a Tabular Analysis of 5,100,000 Words of Ordinary Writing and of over 1,000,000 Running Words of Letters Written by High School Students. J.B. Lippincott Co, 1928.