APA-Zitierstil (7. Ausg.)

Nicholas, H. R. (1987). A comparative study of the acquisition of German as a first and as a second language.

Chicago-Zitierstil (17. Ausg.)

Nicholas, Howard R. A Comparative Study of the Acquisition of German as a First and as a Second Language. 1987.

MLA-Zitierstil (9. Ausg.)

Nicholas, Howard R. A Comparative Study of the Acquisition of German as a First and as a Second Language. 1987.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.