Boettner, L. (1957). Studies in theology (4th ed.). Eerdmans.
Lua i Stíl Chicago (17ú heag.)Boettner, Loraine. Studies in Theology. 4th ed. Grand Rapids: Eerdmans, 1957.
Lua MLA (9ú heag.)Boettner, Loraine. Studies in Theology. 4th ed. Eerdmans, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.