Martin, C. (1973). How human can you get? Inter Varsity.
Lua i Stíl Chicago (17ú heag.)Martin, Charles. How Human Can You Get? Illinois: Inter Varsity, 1973.
Lua MLA (9ú heag.)Martin, Charles. How Human Can You Get? Inter Varsity, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.