Brockington, F., & Lempert, S. M. (1966). The social needs of the over-80's. Manchester U.P..
Cita Chicago (17th ed.)Brockington, Fraser, i Susanne Martina Lempert. The Social Needs of the Over-80's. Manchester: Manchester U.P., 1966.
Cita MLA (8th ed.)Brockington, Fraser, i Susanne Martina Lempert. The Social Needs of the Over-80's. Manchester U.P., 1966.
Atenció: Aquestes cites poden no estar 100% correctes.