Kim, Sangmook, Wouter Vandenabeele, Bradley E. Wright, Lotte Bøgh Andersen, Francesco Paolo Cerase, Robert K. Christensen, Céline Desmarais, Maria Koumenta, Peter Leisink, Bangcheng Liu, Jolanta Palidauskaite, Lene Holm Pedersen, James L. Perry, Adrian Ritz, Jeannette Taylor, and Paola De Vivo. 2013. Investigating the Structure and Meaning of Public Service Motivation across Populations: Developing an International Instrument and Addressing Issues of Measurement Invariance.
Journal of Public Administration Research and Theory 23(1): 79-102.