Dillon, B. (2013). Present Future, 2012. Time.
Chicago-Zitierstil (17. Ausg.)Dillon, Brian. "Present Future, 2012." Time 2013.
MLA-Zitierstil (8. Ausg.)Dillon, Brian. "Present Future, 2012." Time, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.