Norman Bridwell. (2011). Clifford's Birthday Party (Clifford 8x8) (Reissue.). Cartwheel Books.
Cita Chicago Style (17a ed.)Norman Bridwell. Clifford's Birthday Party (Clifford 8x8). Reissue. Cartwheel Books, 2011.
Cita MLA (9a ed.)Norman Bridwell. Clifford's Birthday Party (Clifford 8x8). Reissue. Cartwheel Books, 2011.
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