APA (7th ed.) Citation

Williams, H. (2012). Langenscheidt Business English Training. Langenscheidt.

Chicago Style (17th ed.) Citation

Williams, Helga. Langenscheidt Business English Training. Berlin ; Madrid ; München ; Warschau ; Wien ; Zürich: Langenscheidt, 2012.

MLA (9th ed.) Citation

Williams, Helga. Langenscheidt Business English Training. Langenscheidt, 2012.

Warning: These citations may not always be 100% accurate.