Sevin, D., Bean, K. T., & Sevin, I. (1988). Wie geht's? (3rd ed., instructor's annotated ed.). Holt, Rinehart, and Winston.
Chicago-čujuhus (17. p.)Sevin, Dieter, Katrin T. Bean, juo Ingrid Sevin. Wie Geht's? 3rd ed., instructor's annotated ed. New York: Holt, Rinehart, and Winston, 1988.
MLA-čujuhus (9. p.)Sevin, Dieter, et al. Wie Geht's? 3rd ed., instructor's annotated ed. Holt, Rinehart, and Winston, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.