APA (7e ed.) Bronvermelding
Kessler, J., & Keatinge, D. (2009). Research in second language acquisition: Empirical evidence across languages. Cambridge Scholars.
Chicago (17e ed.) Bronvermelding
Kessler, Jörg-U, en Dagmar Keatinge. Research in Second Language Acquisition: Empirical Evidence Across Languages. Newcastle upon Tyne: Cambridge Scholars, 2009.
MLA (9e ed.) Bronvermelding
Kessler, Jörg-U, en Dagmar Keatinge. Research in Second Language Acquisition: Empirical Evidence Across Languages. Cambridge Scholars, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.