Pieńkowski, J. (1999). Good night: A pop-up lullaby (1st U.S. ed.). Candlewick Press.
Cita Chicago Style (17a ed.)Pieńkowski, Jan. Good Night: A Pop-up Lullaby. 1st U.S. ed. [Cambridge, MA: Candlewick Press, 1999.
Cita MLA (8a ed.)Pieńkowski, Jan. Good Night: A Pop-up Lullaby. 1st U.S. ed. Candlewick Press, 1999.
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