Biografía del autorWilliam Z. Shetter is Professor Emeritus at Indiana University, U.S.A. He has been an author for Dutch: An Essential Grammar since its first publication and is also author of The Netherlands in Perspective: The Dutch Way of Organizing a Society and its Setting (2nd edition 2002).Esther Ham is a senior lecturer and director of the Dutch Program at Indiana University, U.S.A. She is Director of Online Education for all foreign languages for the university Center for Language Exce...