Gaya APA
Butler, J, I. (2016).
Playing Fair: Using student-invented games to prevent bullying, teach democracy, and promote social justice .
America:
Human Kinetics.
Gaya MLA
Butler, Joy, I.
"Playing Fair: Using student-invented games to prevent bullying, teach democracy, and promote social justice".
America:
Human Kinetics,
2016.
Text.