Stine, R. (2002). Awal Mula. Gramedia.
Lua i Stíl Chicago (17ú heag.)Stine, R.L. Awal Mula. Gramedia, 2002.
Lua MLA (9ú heag.)Stine, R.L. Awal Mula. Gramedia, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)