Filler, L. 1. e. (1964). The anxious years: America in the nineteen thirties; a collection of contemporary writings. Capricorn books.
Lua i Stíl Chicago (17ú heag.)Filler, Louis 1911- ed. The Anxious Years: America in the Nineteen Thirties; a Collection of Contemporary Writings. New York: Capricorn books, 1964.
Lua MLA (9ú heag.)Filler, Louis 1911- ed. The Anxious Years: America in the Nineteen Thirties; a Collection of Contemporary Writings. Capricorn books, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.