Citazione Stile APA (7a Edizione)

Graham, C., & Chapman, J. (1985). Hopscotch: Activity book. Level two. Regents Publishing Company.

Citazione stile Chigago Style (17a edizione)

Graham, Carolyn, e John Chapman. Hopscotch: Activity Book. Level Two. Nueva York: Regents Publishing Company, 1985.

Citatione MLA (9a ed.)

Graham, Carolyn, e John Chapman. Hopscotch: Activity Book. Level Two. Regents Publishing Company, 1985.