Gifford Griselda & Rayner, M. (1978). Cass the brave. Puffin Books.
Chicago-čujuhus (17. p.)Gifford Griselda juo Mary Rayner. Cass the Brave. New York: Puffin Books, 1978.
MLA-čujuhus (9. p.)Gifford Griselda juo Mary Rayner. Cass the Brave. Puffin Books, 1978.
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