Becker, H. A., & Hermkens, P. L. (1994). Solidarity of generations: Demographic, economic and social change, and its consequences : proceedings of a Symposium on April 7 and 8, 1993 at Utrecht University, The Netherlands. Thesis Publishers.
Cita Chicago Style (17a ed.)Becker, H. A., y Piet L.J Hermkens. Solidarity of Generations: Demographic, Economic and Social Change, and Its Consequences : Proceedings of a Symposium on April 7 and 8, 1993 at Utrecht University, The Netherlands. Amsterdam: Thesis Publishers, 1994.
Cita MLA (9a ed.)Becker, H. A., y Piet L.J Hermkens. Solidarity of Generations: Demographic, Economic and Social Change, and Its Consequences : Proceedings of a Symposium on April 7 and 8, 1993 at Utrecht University, The Netherlands. Thesis Publishers, 1994.
