ماخذ: Acting in Opera. Magic, underpinned by a great deal of hard work. Acting in Opera applause Books. DVD. Published by Applause Books.
ترجمه: DVD. منتشر شده توسط کتاب تشویق حضار. HL.314737. ISBN 1557836876. 5.25x7.5 اینچ. By the end, drama had emerged from opera.