Kerner, Robert J.; Kerner, Robert J.. (1949). Yugoslavia / edited by Robert J. Kerner. Berkeley :: University of California Press,.
Kerner, Robert J.; Kerner, Robert J.. Yugoslavia / edited by Robert J. Kerner. Berkeley :: University of California Press,, 1949
Kerner, Robert J.; Kerner, Robert J.. Yugoslavia / edited by Robert J. Kerner. Berkeley :: University of California Press,, 1949.