Jirotka, M. (1999). Supporting Collaborative Work.
Lua i Stíl Chicago (17ú heag.)Jirotka, M. Supporting Collaborative Work. 1999.
Lua MLA (9ú heag.)Jirotka, M. Supporting Collaborative Work. 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.