Ryan, J. A. (1931). Capital and labor. Paulist press.
Lua i Stíl Chicago (17ú heag.)Ryan, John A. Capital and Labor. New York: Paulist press, 1931.
Lua MLA (8ú heag.)Ryan, John A. Capital and Labor. Paulist press, 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.