Não informado. (1921). THE ORGAN: REVIEW FOR ITS MAKERS, ITS PLAYERS AND ITS LOVERS. Musical Opinion.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. THE ORGAN: REVIEW FOR ITS MAKERS, ITS PLAYERS AND ITS LOVERS. Dorset, Inglaterra: Musical Opinion, 1921.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. THE ORGAN: REVIEW FOR ITS MAKERS, ITS PLAYERS AND ITS LOVERS. Musical Opinion, 1921.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.