Rybak, S. J. (1983). Foreign languages by radio and television: The development of a support strategy for adult home-learners.
Παραπομπή σε μορφή Chicago (17η εκδ.)Rybak, Stephanie Jane. Foreign Languages by Radio and Television: The Development of a Support Strategy for Adult Home-learners. 1983.
Παραπομπή σε μορφή MLA (8th εκδ.)Rybak, Stephanie Jane. Foreign Languages by Radio and Television: The Development of a Support Strategy for Adult Home-learners. 1983.
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