Steen, M. (2014). Wagner's the flying Dutchman (Der fliegende Holländer): A short guide to a great opera. Original Writing.
Citazione stile Chigago Style (17a edizione)Steen, Michael. Wagner's the Flying Dutchman (Der Fliegende Holländer): A Short Guide to a Great Opera. Dublin, Ireland: Original Writing, 2014.
Citatione MLA (9a ed.)Steen, Michael. Wagner's the Flying Dutchman (Der Fliegende Holländer): A Short Guide to a Great Opera. Original Writing, 2014.
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