Guthrie. (1947). The Big Sky (1st.). Time-Life Books Inc..
Chicago-čujuhus (17. p.)Guthrie. The Big Sky. 1st. Alexandria, Va: Time-Life Books Inc., 1947.
MLA-čujuhus (9. p.)Guthrie. The Big Sky. 1st. Time-Life Books Inc., 1947.
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