Haydn, J. (1931). Canzonettas and songs: For voice with piano accompaniment. 12 English canzonettas and 2 songs. 21 German songs. / With German words by Karl Wolfskehl and Franz Hessel.New Ed. for practical use revised by Ludwig Landshoff (revised ed.). Peters.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Haydn, Joseph. Canzonettas and Songs: For Voice with Piano Accompaniment. 12 English Canzonettas and 2 Songs. 21 German Songs. / With German Words by Karl Wolfskehl and Franz Hessel.New Ed. for Practical Use Revised by Ludwig Landshoff. revised ed. New York [u.a.]: Peters, 1931.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Haydn, Joseph. Canzonettas and Songs: For Voice with Piano Accompaniment. 12 English Canzonettas and 2 Songs. 21 German Songs. / With German Words by Karl Wolfskehl and Franz Hessel.New Ed. for Practical Use Revised by Ludwig Landshoff. revised ed. Peters, 1931.