Horn, E., & Ashbaugh, E. J. (1926). Lippincott's new Horn-Ashbaugh speller: Incorporating the findings of a tabular analysis of 5,100,000 words of ordinary writing (I-VIII edition.). J.B. Lippincott Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Horn, Ernest, و Ernest J. Ashbaugh. Lippincott's New Horn-Ashbaugh Speller: Incorporating the Findings of a Tabular Analysis of 5,100,000 Words of Ordinary Writing. I-VIII edition. Philadelphia ; London ; Chicago: J.B. Lippincott Company, 1926.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Horn, Ernest, و Ernest J. Ashbaugh. Lippincott's New Horn-Ashbaugh Speller: Incorporating the Findings of a Tabular Analysis of 5,100,000 Words of Ordinary Writing. I-VIII edition. J.B. Lippincott Company, 1926.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.