Drury, A. (1975). The promise of joy. Doubleday.
Lua i Stíl Chicago (17ú heag.)Drury, Allen. The Promise of Joy. Garden City, N.Y: Doubleday, 1975.
Lua MLA (8ú heag.)Drury, Allen. The Promise of Joy. Doubleday, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.