Faris, J. T. (1920). The book of courage. J.B. Lippincott company.
Lua i Stíl Chicago (17ú heag.)Faris, John T. The Book of Courage. Philadelphia, London: J.B. Lippincott company, 1920.
Lua MLA (8ú heag.)Faris, John T. The Book of Courage. J.B. Lippincott company, 1920.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.