Calhoun, D. L. (2023). Changing seasons: A language arts curriculum for healthy aging (Revised edition.). Purdue University Press.
Citace podle Chicago (17th ed.)Calhoun, Denise L. Changing Seasons: A Language Arts Curriculum for Healthy Aging. Revised edition. West Lafayette, Indiana: Purdue University Press, 2023.
Citace podle MLA (9th ed.)Calhoun, Denise L. Changing Seasons: A Language Arts Curriculum for Healthy Aging. Revised edition. Purdue University Press, 2023.
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