Lua APA (7ú heag.)
Bowen, C. D., & Meck, B. V. (1940). Beloved friend: The story of Tchaikowsky and Nadejda ..... Garden city.
Lua i Stíl Chicago (17ú heag.)
Bowen, Catherine D., agus Barbara Von Meck. Beloved Friend: The Story of Tchaikowsky and Nadejda ..... New York: Garden city, 1940.
Lua MLA (9ú heag.)
Bowen, Catherine D., agus Barbara Von Meck. Beloved Friend: The Story of Tchaikowsky and Nadejda ..... Garden city, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.