Cita APA (7th ed.)
ebrary, Inc, Walker, A., & Hennessy, C. H. (2004). Growing older: Quality of life in old age. Open University Press.
Cita Chicago (17th ed.)
ebrary, Inc, Alan Walker, i Catherine Hagan Hennessy. Growing Older: Quality of Life in Old Age. Maidenhead: Open University Press, 2004.
Cita MLA (9th ed.)
ebrary, Inc, et al. Growing Older: Quality of Life in Old Age. Open University Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.