APA-čujuhus (7. p.)
Spence, R. (2008). Introductory circuits. John Wiley.
Chicago-čujuhus (17. p.)
Spence, Robert. Introductory Circuits. Chichester, West Sussex, U.K.: John Wiley, 2008.
MLA-čujuhus (9. p.)
Spence, Robert. Introductory Circuits. John Wiley, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.