Zickefoose, J. (2012). The bluebird effect: Uncommon bonds with common birds. Houghton Mifflin Harcourt.
Cita Chicago Style (17a ed.)Zickefoose, Julie. The Bluebird Effect: Uncommon Bonds with Common Birds. Boston: Houghton Mifflin Harcourt, 2012.
Cita MLA (8a ed.)Zickefoose, Julie. The Bluebird Effect: Uncommon Bonds with Common Birds. Houghton Mifflin Harcourt, 2012.
Precaución: Estas citas no son 100% exactas.