Adams, B. (1989). A Ring for the '80s: The Metropolitan Opera's new production of the Ring ccle draws on 19th-centruy German Romantic imagery for its highly traditional stagings of Wagner's four-part epic. Art in America.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Adams, Brooks. "A Ring for the '80s: The Metropolitan Opera's New Production of the Ring Ccle Draws on 19th-centruy German Romantic Imagery for Its Highly Traditional Stagings of Wagner's Four-part Epic." Art in America 1989.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Adams, Brooks. "A Ring for the '80s: The Metropolitan Opera's New Production of the Ring Ccle Draws on 19th-centruy German Romantic Imagery for Its Highly Traditional Stagings of Wagner's Four-part Epic." Art in America, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.