León Fernández, M., & Lépiz Vega, O. D. (2015). Integrated Management for Active Aging.
Chicago Style aipamenaLeón Fernández, Maribel, y Oscar David Lépiz Vega. Integrated Management for Active Aging. 2015.
MLA aipamenaLeón Fernández, Maribel, y Oscar David Lépiz Vega. Integrated Management for Active Aging. 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.