Falla T. Tim. (1997). Headway video. Elementary: Cassette One; Headway video. Elementary; Headway video. Elementary. Oxford, Oxford University Press, 1997.
Chicago-viite (17. p.)Falla T. Tim. Headway Video. Elementary: Cassette One; Headway Video. Elementary; Headway Video. Elementary. Oxford, Oxford University Press, 1997, 1997.
MLA-viite (9. p.)Falla T. Tim. Headway Video. Elementary: Cassette One; Headway Video. Elementary; Headway Video. Elementary. Oxford, Oxford University Press, 1997, 1997.
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