Cita APA (7a ed.)

Kirch, P., & Brühne, T. (2020). TOP-Thema Migration. westermann.

Cita Chicago Style (17a ed.)

Kirch, Peter, y Thomas Brühne. TOP-Thema Migration. Braunschweig: westermann, 2020.

Cita MLA (9a ed.)

Kirch, Peter, y Thomas Brühne. TOP-Thema Migration. westermann, 2020.