Tolong jelaskan mengenai Rujukan dari Elisabeth Schwarzkopf dalam bahasa melayu

Jefferson, Alan Elisabeth Schwarzkopf Northeastern University Press (August 1996)  Chapter One extract

Legge, Walter; postscript by Schwarzkopf, Elisabeth; ed. Sanders, Alan Walter Legge: Words and Music Routledge (1998)

Liese, Kirsten, Elisabeth Schwarzkopf. From Flower Maiden To Marschallin. English translation: Charles Scribner. Molden, Vienna 2007. ; Amadeus Press, New York, 2009.

Sanders, Alan The Schwarzkopf Tapes: An artist replies to a hostile biography, Classical Recordings Quarterly and The Elisabeth Schwarzkopf/Walter Legge Society, (2010)

Sanders, Alan and Steane, John B. Elisabeth Schwarzkopf: A Career on Record, Amadeus Press (January 1996)

Schwarzkopf, Elisabeth Les autres soirs Tallandier (August 16, 2004)

Schwarzkopf, Elisabeth On and Off the Record: A Memoir of Walter Legge Faber and Faber (December 31, 1982) ; Scribner (March 1982) ; (paperback) ; University of British Columbia Press (January 1, 2002)