APA (7 ম সংস্করণ) উদ্ধৃতি

Schwarzkopf, E. (1959). Schwarzkopf portrays romantic heroines: Scenes from Tannhäuser (Wagner), Lohengrin (Wagner), Der Freischütz (Weber). EMI [u.a.].

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Schwarzkopf, Elisabeth. Schwarzkopf Portrays Romantic Heroines: Scenes from Tannhäuser (Wagner), Lohengrin (Wagner), Der Freischütz (Weber). Hayes, Middlesex: EMI [u.a.], 1959.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Schwarzkopf, Elisabeth. Schwarzkopf Portrays Romantic Heroines: Scenes from Tannhäuser (Wagner), Lohengrin (Wagner), Der Freischütz (Weber). EMI [u.a.], 1959.