Cita APA (7th ed.)
Hyltenstam, K. (2016). Advanced proficiency and exceptional ability in second languages. De Gruyter Mouton.
Cita Chicago (17th ed.)
Hyltenstam, Kenneth. Advanced Proficiency and Exceptional Ability in Second Languages. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter Mouton, 2016.
Cita MLA (9th ed.)
Hyltenstam, Kenneth. Advanced Proficiency and Exceptional Ability in Second Languages. De Gruyter Mouton, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.