Collins, R. F. (2002). 1 & 2 Timothy and Titus: A commentary (First edition.). Westminster John Knox Press.
Lua i Stíl Chicago (17ú heag.)Collins, Raymond F. 1 & 2 Timothy and Titus: A Commentary. First edition. Louisville: Westminster John Knox Press, 2002.
Lua MLA (9ú heag.)Collins, Raymond F. 1 & 2 Timothy and Titus: A Commentary. First edition. Westminster John Knox Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.