Cita APA (7th ed.)

Hutchinson, T. (1991). English Project 1: Activity book (17th. ed.). Oxford University Press.

Cita Chicago (17th ed.)

Hutchinson, Tom. English Project 1: Activity Book. 17th. ed. Oxford: Oxford University Press, 1991.

Cita MLA (9th ed.)

Hutchinson, Tom. English Project 1: Activity Book. 17th. ed. Oxford University Press, 1991.