APA-čujuhus (7. p.)
ebrary, Inc, Tschofenig, H., & Schulzrinne, H. (2013). Internet protocol-based emergency services. John Wiley & Sons Inc..
Chicago-čujuhus (17. p.)
ebrary, Inc, Hannes Tschofenig, juo Henning Schulzrinne. Internet Protocol-based Emergency Services. Chichester, West Sussex: John Wiley & Sons Inc., 2013.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Internet Protocol-based Emergency Services. John Wiley & Sons Inc., 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.