APA-viite (7. p.)
ebrary, Inc, Denton, F. T., Fretz, D., & Spencer, B. G. (2000). Independence and economic security in old age. UBC Press.
Chicago-viite (17. p.)
ebrary, Inc, Frank T. Denton, Deborah Fretz, ja Byron G. Spencer. Independence and Economic Security in Old Age. Vancouver: UBC Press, 2000.
MLA-viite (9. p.)
ebrary, Inc, et al. Independence and Economic Security in Old Age. UBC Press, 2000.
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