
Lenger, F. (2016). Defining the modern metropolis: Universal expositions from the mid-nineteenth to the mid-twentieth century. Bulletin of the German Historical Institute.
Chicago ZitierstilLenger, Friedrich. "Defining the Modern Metropolis: Universal Expositions from the Mid-nineteenth to the Mid-twentieth Century." Bulletin of the German Historical Institute 2016.
MLA ZitierstilLenger, Friedrich. "Defining the Modern Metropolis: Universal Expositions from the Mid-nineteenth to the Mid-twentieth Century." Bulletin of the German Historical Institute, 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.