Cita APA (7th ed.)

Brumfit, C., Moon, J., & Tongue, R. Teaching english to children: From practice to principle.

Cita Chicago (17th ed.)

Brumfit, Christopher, Jayne Moon, i Ray Tongue. Teaching English to Children: From Practice to Principle.

Cita MLA (8th ed.)

Brumfit, Christopher, et al. Teaching English to Children: From Practice to Principle.