Oyague, M. A. C. (2006). In Opposite Directions: Demographic Transition and Old-Age Pensions in Peru. Universidad del Pacífico.
Cita Chicago Style (17a ed.)Oyague, María Amparo Cruz-Saco. In Opposite Directions: Demographic Transition and Old-Age Pensions in Peru. Universidad del Pacífico, 2006.
Cita MLA (9a ed.)Oyague, María Amparo Cruz-Saco. In Opposite Directions: Demographic Transition and Old-Age Pensions in Peru. Universidad del Pacífico, 2006.
Precaución: Estas citas no son 100% exactas.