APA-viite (7. p.)
ebrary, Inc, Wykle, M. L., Whitehouse, P. J., & Morris, D. L. (2005). Successful aging through the life span: Intergenerational issues in health. Springer Pub. Co..
Chicago-viite (17. p.)
ebrary, Inc, May L. Wykle, Peter J. Whitehouse, ja Diana L. Morris. Successful Aging Through the Life Span: Intergenerational Issues in Health. New York: Springer Pub. Co., 2005.
MLA-viite (9. p.)
ebrary, Inc, et al. Successful Aging Through the Life Span: Intergenerational Issues in Health. Springer Pub. Co., 2005.
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