Charlip, R. (2007). A perfect day. Greenwillow Books.
Cita Chicago Style (17a ed.)Charlip, Remy. A Perfect Day. New York: Greenwillow Books, 2007.
Cita MLA (8a ed.)Charlip, Remy. A Perfect Day. Greenwillow Books, 2007.
Precaución: Estas citas no son 100% exactas.