Marmel, E. J. (2014). Sage timeslips for dummies. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Marmel, Elaine J. Sage Timeslips for Dummies. Hoboken, New Jersey: John Wiley & Sons, 2014.
Lua MLA (9ú heag.)Marmel, Elaine J. Sage Timeslips for Dummies. John Wiley & Sons, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.