De Santo, C. P. (1982). Dear Tim: Letters on basic Christian beliefs from a father to his maturing son. Herald Press.
Lua i Stíl Chicago (17ú heag.)De Santo, Charles P. Dear Tim: Letters on Basic Christian Beliefs from a Father to His Maturing Son. Ontario: Herald Press, 1982.
Lua MLA (9ú heag.)De Santo, Charles P. Dear Tim: Letters on Basic Christian Beliefs from a Father to His Maturing Son. Herald Press, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.