APA (7th ed.) Citation

Bien-&-Giersch-Projektagentur <Berlin> & Bien, H. M. (1993). Vademecum 1993/94. Westermann Kommunikation.

Chicago Style (17th ed.) Citation

Bien-&-Giersch-Projektagentur <Berlin> and Helmut M. Bien. Vademecum 1993/94. Berlin: Westermann Kommunikation, 1993.

MLA (8th ed.) Citation

Bien-&-Giersch-Projektagentur <Berlin> and Helmut M. Bien. Vademecum 1993/94. Westermann Kommunikation, 1993.

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