Rybak, S. J. (1983). Foreign languages by radio and television: The development of a support strategy for adult home-learners.
Chicago-referens (17:e uppl.)Rybak, Stephanie Jane. Foreign Languages by Radio and Television: The Development of a Support Strategy for Adult Home-learners. 1983.
MLA-referens (8:e uppl.)Rybak, Stephanie Jane. Foreign Languages by Radio and Television: The Development of a Support Strategy for Adult Home-learners. 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.