Coronet. (1989). Science World (Videorecording): Ecology : Lakes and Streams; Deciduous Forest. Copronet/MTI Film and Video.
Chicago-viite (17. p.)Coronet. Science World (Videorecording): Ecology : Lakes and Streams; Deciduous Forest. Northbrook, IL: Copronet/MTI Film and Video, 1989.
MLA-viite (9. p.)Coronet. Science World (Videorecording): Ecology : Lakes and Streams; Deciduous Forest. Copronet/MTI Film and Video, 1989.
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