Foster, J. B. Bend Sinister: John Burt Foster. The Garland companion to Vladimir Nabokov.(1995).
Lua i Stíl Chicago (17ú heag.)Foster, John Burt. "Bend Sinister: John Burt Foster." The Garland Companion to Vladimir Nabokov.(1995) .
Lua MLA (8ú heag.)Foster, John Burt. "Bend Sinister: John Burt Foster." The Garland Companion to Vladimir Nabokov.(1995), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.