De Kruif, P. (1938). The fight for life. Harcourt, Brace and company.
Lua i Stíl Chicago (17ú heag.)De Kruif, Paul. The Fight for Life. New York: Harcourt, Brace and company, 1938.
Lua MLA (8ú heag.)De Kruif, Paul. The Fight for Life. Harcourt, Brace and company, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.