APA
Volkmar Pipek M. B. R. B. R. V. W., . (2009). End-User Development. Germany: Springer.
Chicago
Volkmar Pipek Mary Beth Rosson Boris Ruyter Volker Wulf, . 2009. End-User Development. Germany: Springer.
Harvard
Volkmar Pipek M. B. R. B. R. V. W., . (2009). End-User Development. Germany: Springer.
MLA
Volkmar Pipek Mary Beth Rosson Boris Ruyter Volker Wulf, . End-User Development. Germany: Springer. 2009.