Cita APA (7th ed.)

Kessler, J., Lenzing, A., & Liebner, M. (2016). Developing, modelling and assessing second languages. John Benjamins Publishing Company.

Cita Chicago (17th ed.)

Kessler, Jorg-U, Anke Lenzing, i Mathias Liebner. Developing, Modelling and Assessing Second Languages. Amsterdam, [Netherlands] ; Philadelphia, [Pennsylvania]: John Benjamins Publishing Company, 2016.

Cita MLA (9th ed.)

Kessler, Jorg-U, et al. Developing, Modelling and Assessing Second Languages. John Benjamins Publishing Company, 2016.