Walls, C., & Breidenbach, R. (2008). Spring in action (2a. ed.). Manning Publications Co.
Chicago-čujuhus (17. p.)Walls, Craig, juo Ryan Breidenbach. Spring in Action. 2a. ed. Greenwich: Manning Publications Co, 2008.
MLA-čujuhus (9. p.)Walls, Craig, juo Ryan Breidenbach. Spring in Action. 2a. ed. Manning Publications Co, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.