APA-referens (7:e uppl.)
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.
Chicago-referens (17:e uppl.)
Ribas, Teresa, Xavier Fontich, och Oriol Guasch. Grammar at School: Research on Metalinguistic Activity in Language Education. Éditions scientifiques internationales. Brussels, [Belgium]: P.I.E. Peter Lang, 2014.
MLA-referens (9:e uppl.)
Ribas, Teresa, et al. Grammar at School: Research on Metalinguistic Activity in Language Education. Éditions scientifiques internationales. P.I.E. Peter Lang, 2014.
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