Cita APA (7th ed.)

Ribas, T., Fontich, X., & Guasch, O. (2014). Grammar at school: Research on metalinguistic activity in language education (Éditions scientifiques internationales.). P.I.E. Peter Lang.

Cita Chicago (17th ed.)

Ribas, Teresa, Xavier Fontich, i Oriol Guasch. Grammar at School: Research on Metalinguistic Activity in Language Education. Éditions scientifiques internationales. Brussels, [Belgium]: P.I.E. Peter Lang, 2014.

Cita MLA (9th ed.)

Ribas, Teresa, et al. Grammar at School: Research on Metalinguistic Activity in Language Education. Éditions scientifiques internationales. P.I.E. Peter Lang, 2014.