Blackell, E. A. "What the devil?!" - twentieth-century Faust: Eric A. Blackell. Faust through four centuries : retrospect and analysis=Vierhundert Jahre Faust : Rückblick und Analyse.(1989).
Citazione stile Chigago Style (17a edizione)Blackell, Eric A. ""What the Devil?!" - Twentieth-century Faust: Eric A. Blackell." Faust Through Four Centuries : Retrospect and Analysis=Vierhundert Jahre Faust : Rückblick Und Analyse.(1989) .
Citatione MLA (8a ed.)Blackell, Eric A. ""What the Devil?!" - Twentieth-century Faust: Eric A. Blackell." Faust Through Four Centuries : Retrospect and Analysis=Vierhundert Jahre Faust : Rückblick Und Analyse.(1989), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.