Congreso Internacional de Ciencias Históricas, Herrmann, J., & Molas Ribalta, P. (1990). Chronological theme: B. Middle Ages and Modern Period : the Organization of Work : in preparation of the 17th International Congress of Historical Sciences : Madrid, 26th August - 2nd September 1990. [s.n].
Cita Chicago Style (17a ed.)Congreso Internacional de Ciencias Históricas, Joachim Herrmann, y Pere Molas Ribalta. Chronological Theme: B. Middle Ages and Modern Period : The Organization of Work : In Preparation of the 17th International Congress of Historical Sciences : Madrid, 26th August - 2nd September 1990. Berlin: [s.n], 1990.
Cita MLA (9a ed.)Congreso Internacional de Ciencias Históricas, et al. Chronological Theme: B. Middle Ages and Modern Period : The Organization of Work : In Preparation of the 17th International Congress of Historical Sciences : Madrid, 26th August - 2nd September 1990. [s.n], 1990.
