APA Zitierstil

Không rõ. (2010). Business and Professional Communication. NOTNXB.

Chicago Zitierstil

Không rõ. Business and Professional Communication. NOTNXB, 2010.

MLA Zitierstil

Không rõ. Business and Professional Communication. NOTNXB, 2010.

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