Citazione Stile APA (7a Edizione)

Brown, G., Williams, J., & Malmkjaer, K. (1996). Performance and competence in second language acquisition. Cambridge University.

Citazione stile Chigago Style (17a edizione)

Brown, Gillian, John Williams, e Kirsten Malmkjaer. Performance and Competence in Second Language Acquisition. Nueva York: Cambridge University, 1996.

Citatione MLA (9a ed.)

Brown, Gillian, et al. Performance and Competence in Second Language Acquisition. Cambridge University, 1996.