Knorr, D., Heine, C., & Engberg, J. (2014). Methods in writing process research. Peter Lang Edition.
Lua i Stíl Chicago (17ú heag.)Knorr, Dagmar, Carmen Heine, agus Jan Engberg. Methods in Writing Process Research. Frankfurt am Main, Germany: Peter Lang Edition, 2014.
Lua MLA (9ú heag.)Knorr, Dagmar, et al. Methods in Writing Process Research. Peter Lang Edition, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.