Barton, B. (1927). What can a man believe? The Bobbs-Merrill.
Lua i Stíl Chicago (17ú heag.)Barton, Bruce. What Can a Man Believe? The Bobbs-Merrill, 1927.
Lua MLA (9ú heag.)Barton, Bruce. What Can a Man Believe? The Bobbs-Merrill, 1927.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.