Coppens, C. (1888). The art of oratorical composition: Based upon the precepts and models of the old masters. Catholic Publication Soc. Co., Burns & Oates.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Coppens, Charles. The Art of Oratorical Composition: Based upon the Precepts and Models of the Old Masters. New York, London: Catholic Publication Soc. Co., Burns & Oates, 1888.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Coppens, Charles. The Art of Oratorical Composition: Based upon the Precepts and Models of the Old Masters. Catholic Publication Soc. Co., Burns & Oates, 1888.
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