APA-čujuhus (7. p.)
Heine, L. (2010). Problem solving in a foreign language. Mouton de Gruyter.
Chicago-čujuhus (17. p.)
Heine, Lena. Problem Solving in a Foreign Language. Berlin ; New York: Mouton de Gruyter, 2010.
MLA-čujuhus (9. p.)
Heine, Lena. Problem Solving in a Foreign Language. Mouton de Gruyter, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.