APA-čujuhus (7. p.)
Callender, C., Edney, R., & Appignanesi, R. Introducing Time. Icon Books.
Chicago-čujuhus (17. p.)
Callender, Craig, Ralph Edney, juo Richard Appignanesi. Introducing Time. Cambridge, Inglaterra: Icon Books.
MLA-čujuhus (9. p.)
Callender, Craig, et al. Introducing Time. Icon Books.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.