Diehl, H. S., & Shepard, C. E. (1939). The health of college students. American Council on Education.
Chicago-viite (17. p.)Diehl, Harold Sheely, ja Charles Edward Shepard. The Health of College Students. Washington, D.C.: American Council on Education, 1939.
MLA-viite (8. p.)Diehl, Harold Sheely, ja Charles Edward Shepard. The Health of College Students. American Council on Education, 1939.
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