Jenkins, S., & Page, R. (2011). Time to sleep. Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Jenkins, Steve, agus Robin Page. Time to Sleep. Boston: Houghton Mifflin, 2011.
Lua MLA (8ú heag.)Jenkins, Steve, agus Robin Page. Time to Sleep. Houghton Mifflin, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.