Fuhrman, P. A. (1981). Linear Systems And Operators In Hilbert Space Paul A. Fuhrman. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Fuhrman, Paul A. Linear Systems And Operators In Hilbert Space Paul A. Fuhrman. McGraw-Hill, 1981.
Lua MLA (8ú heag.)Fuhrman, Paul A. Linear Systems And Operators In Hilbert Space Paul A. Fuhrman. McGraw-Hill, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.