Spiller, R. E. (1962). A time of harvest, American literature, 1910-1960. Hill and Wang.
Lua i Stíl Chicago (17ú heag.)Spiller, Robert Ernest. A Time of Harvest, American Literature, 1910-1960. New York: Hill and Wang, 1962.
Lua MLA (9ú heag.)Spiller, Robert Ernest. A Time of Harvest, American Literature, 1910-1960. Hill and Wang, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.