Abstract: The setting of this research was the nurses of Yogya hospitals in Sleman regency, special region of Yogyakarta. The sample size is the same as the population of 120 nurses. The researcher used purposive sampling technique. The data analysis technique was Structural Equation Modelling (SEM) which uses factor analysis (measurement) and lane analysis (part analysis). This research result shows that the test result on the measurement model which is hypotezied fits teoritically to empirical data that is indicated that all factors are significant. Meanwhile, the lane analysis result shows that the transformational leadership assessement, organisational commitment and working satisfaction have direct influence and indirect influence that are significant to the organizational citizenship behavior.