Hugo, J. (1985). On the heights: The supreme dominion of God.
Lua i Stíl Chicago (17ú heag.)Hugo, John. On the Heights: The Supreme Dominion of God. 1985.
Lua MLA (8ú heag.)Hugo, John. On the Heights: The Supreme Dominion of God. 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.