Barclay, F. L. (1912). The upas tree: A Christmas story for all the year. G.P. Putnam's Sons.
Chicago-viite (17. p.)Barclay, Florence L. The Upas Tree: A Christmas Story for All the Year. New York, London: G.P. Putnam's Sons, 1912.
MLA-viite (8. p.)Barclay, Florence L. The Upas Tree: A Christmas Story for All the Year. G.P. Putnam's Sons, 1912.
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