Schumacher, H. C. (1938). The adolescent, his development and his major problems. The Catholic conference on family life.
Chicago-viite (17. p.)Schumacher, Henry Cyril. The Adolescent, His Development and His Major Problems. Washington, D.C.: The Catholic conference on family life, 1938.
MLA-viite (8. p.)Schumacher, Henry Cyril. The Adolescent, His Development and His Major Problems. The Catholic conference on family life, 1938.
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