توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1891). The classical singer: A collection of compositions selected by H. Robyn from the works of Mozart, Beethoven, Mendelssohn, Weber, Abt, Rossini, and others. Kunkel Bros.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

The Classical Singer: A Collection of Compositions Selected by H. Robyn from the Works of Mozart, Beethoven, Mendelssohn, Weber, Abt, Rossini, and Others. St. Louis, Mo.: Kunkel Bros, 1891.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

The Classical Singer: A Collection of Compositions Selected by H. Robyn from the Works of Mozart, Beethoven, Mendelssohn, Weber, Abt, Rossini, and Others. Kunkel Bros, 1891.