Films for the Humanities (Firm), Boettcher, S. J., & Trinklein, M. J. (1993). The Oregon Trail. Films for the Humanities & Sciences [distributor].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFilms for the Humanities (Firm), Steven J. Boettcher, और Michael J. Trinklein. The Oregon Trail. Princeton, N.J.: Films for the Humanities & Sciences [distributor], 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFilms for the Humanities (Firm), et al. The Oregon Trail. Films for the Humanities & Sciences [distributor], 1993.
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