RICH, M. F. (1976). Who's who in opera An international bibliographical directory of singers conductors, dirrector. Arno Press.
Chicago Style (17th ed.) CitationRICH, Maria F. Who's Who in Opera An International Bibliographical Directory of Singers Conductors, Dirrector. Arno Press, 1976.
MLA (8th ed.) CitationRICH, Maria F. Who's Who in Opera An International Bibliographical Directory of Singers Conductors, Dirrector. Arno Press, 1976.
Warning: These citations may not always be 100% accurate.