Friedrich, G., Gottlob, G., & Nejdl, W. (1991). Towards a Theory of the Repair Process. Springer.
Lua i Stíl Chicago (17ú heag.)Friedrich, G., G. Gottlob, agus W. Nejdl. Towards a Theory of the Repair Process. Springer, 1991.
Lua MLA (9ú heag.)Friedrich, G., et al. Towards a Theory of the Repair Process. Springer, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.