Fitzpatrick, D. (2016). Amazing spencer gray. Star Bright Books.
Cita Chicago (17th ed.)Fitzpatrick, Deb. Amazing Spencer Gray. Cambridge, Massachusetts: Star Bright Books, 2016.
Cita MLA (9th ed.)Fitzpatrick, Deb. Amazing Spencer Gray. Star Bright Books, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.