De Guzman, E. A. (1976). The value of children: The old people's view. Population Institute, University of the Philippines System.
Citace podle Chicago (17th ed.)De Guzman, Eliseo A. The Value of Children: The Old People's View. [Manila]: Population Institute, University of the Philippines System, 1976.
Citace podle MLA (9th ed.)De Guzman, Eliseo A. The Value of Children: The Old People's View. Population Institute, University of the Philippines System, 1976.
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