Clark, H. (1964). Wonders of creation. Pacific Press.
Lua i Stíl Chicago (17ú heag.)Clark, Harold. Wonders of Creation. Pacific Press, 1964.
Lua MLA (9ú heag.)Clark, Harold. Wonders of Creation. Pacific Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.