Schweitzer, A., & Joy, C. R. (1950). The animal world of Albert Schweitzer: Jungle insights into reverence for life. Beacon Press.
Lua i Stíl Chicago (17ú heag.)Schweitzer, Albert, agus Charles R. Joy. The Animal World of Albert Schweitzer: Jungle Insights into Reverence for Life. Boston: Beacon Press, 1950.
Lua MLA (8ú heag.)Schweitzer, Albert, agus Charles R. Joy. The Animal World of Albert Schweitzer: Jungle Insights into Reverence for Life. Beacon Press, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.