Aliki. (2010). Push button. Greenwillow Books.
Cita Chicago (17th ed.)Aliki. Push Button. New York: Greenwillow Books, 2010.
Cita MLA (8th ed.)Aliki. Push Button. Greenwillow Books, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)