Del Mar, N. (1973). Richard Strauss: A critical commentary on his life and works. Chilton.
Citazione stile Chigago Style (17a edizione)Del Mar, Norman. Richard Strauss: A Critical Commentary on His Life and Works. Filadelfia: Chilton, 1973.
Citatione MLA (9a ed.)Del Mar, Norman. Richard Strauss: A Critical Commentary on His Life and Works. Chilton, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.