(1969). Webster's biographical dictionary: A dictionary of names of noteworthy persons with pronunciations and concise biographies. G. & C. Merriam Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Webster's Biographical Dictionary: A Dictionary of Names of Noteworthy Persons with Pronunciations and Concise Biographies. Springfield, Mass: G. & C. Merriam Co., 1969.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Webster's Biographical Dictionary: A Dictionary of Names of Noteworthy Persons with Pronunciations and Concise Biographies. G. & C. Merriam Co., 1969.