Παραπομπή σε μορφή APA (7η εκδ.)

Calhoun, D. L. (2023). Changing seasons: A language arts curriculum for healthy aging (Revised edition.). Purdue University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Calhoun, Denise L. Changing Seasons: A Language Arts Curriculum for Healthy Aging. Revised edition. West Lafayette, Indiana: Purdue University Press, 2023.

Παραπομπή σε μορφή MLA (9th εκδ.)

Calhoun, Denise L. Changing Seasons: A Language Arts Curriculum for Healthy Aging. Revised edition. Purdue University Press, 2023.