James, S. (2002). The birdwatchers (1st U.S. ed.). Candlewick Press.
Cita Chicago Style (17a ed.)James, Simon. The Birdwatchers. 1st U.S. ed. Cambridge, Mass.: Candlewick Press, 2002.
Cita MLA (8a ed.)James, Simon. The Birdwatchers. 1st U.S. ed. Candlewick Press, 2002.
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