Best practice & research. [s.n.].
Chicago-čujuhus (17. p.)Best Practice & Research. [S.l.]: [s.n.].
MLA-čujuhus (9. p.)Best Practice & Research. [s.n.].
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
Best practice & research. [s.n.].
Chicago-čujuhus (17. p.)Best Practice & Research. [S.l.]: [s.n.].
MLA-čujuhus (9. p.)Best Practice & Research. [s.n.].