Shapiro, K. J. 1. . . . e. (1962). Prose keys to modern poetry. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Shapiro, Karl Jay 1913- ed. Prose Keys to Modern Poetry. New York: Harper & Row, 1962.
Lua MLA (9ú heag.)Shapiro, Karl Jay 1913- ed. Prose Keys to Modern Poetry. Harper & Row, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.