Stahmer, A. (1987). Communications technology and distance learning in Canada: A survey of Canadian activities. Department of Communications, Govt. of Canada.
Lua i Stíl Chicago (17ú heag.)Stahmer, Anna. Communications Technology and Distance Learning in Canada: A Survey of Canadian Activities. Ottawa, Ontario: Department of Communications, Govt. of Canada, 1987.
Lua MLA (9ú heag.)Stahmer, Anna. Communications Technology and Distance Learning in Canada: A Survey of Canadian Activities. Department of Communications, Govt. of Canada, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.