APA-čujuhus (7. p.)
Björn Regnell, D. D. Requirements Engineering: Foundation for Software Quality: 18th International Working Conference, REFSQ 2012, Essen, Germany, March 2012, Proceedings. Springer.
Chicago-čujuhus (17. p.)
Björn Regnell, Daniela Damian. Requirements Engineering: Foundation for Software Quality: 18th International Working Conference, REFSQ 2012, Essen, Germany, March 2012, Proceedings. Berlín, Alemania: Springer.
MLA-čujuhus (9. p.)
Björn Regnell, Daniela Damian. Requirements Engineering: Foundation for Software Quality: 18th International Working Conference, REFSQ 2012, Essen, Germany, March 2012, Proceedings. Springer.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.