MLA

Fill, Chris, Karen E Fill, and Peter Nonhof. Business-to-businessmarketing. Amsterdam: Pearson Education Benelux, 2006.

APA

Fill, C., Fill, K. E., & Nonhof, P. (2006). Business-to-businessmarketing. Amsterdam: Pearson Education Benelux.

Chicago

Fill, Chris, Karen E. Fill, and Peter Nonhof. Business-To-Businessmarketing. Amsterdam: Pearson Education Benelux, 2006.