American Association of Colleges for Teacher Education & Emens, J. R. (1949). Student personnel services. American Association of Colleges for Teacher Education.
Lua i Stíl Chicago (17ú heag.)American Association of Colleges for Teacher Education agus John R. Emens. Student Personnel Services. Washington: American Association of Colleges for Teacher Education, 1949.
Lua MLA (9ú heag.)American Association of Colleges for Teacher Education agus John R. Emens. Student Personnel Services. American Association of Colleges for Teacher Education, 1949.
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