(1968). Sung vespers: According to the unabridged, official text approved for use in the United States with musical settings composed by W. A. Jurgens.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sung Vespers: According to the Unabridged, Official Text Approved for Use in the United States with Musical Settings Composed by W. A. Jurgens. 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sung Vespers: According to the Unabridged, Official Text Approved for Use in the United States with Musical Settings Composed by W. A. Jurgens. 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.