Wrenn, C. G. (1962). The counselor in a changing world. The Commission on Guidance in American Schools.
Citace podle Chicago (17th ed.)Wrenn, C. Gilbert. The Counselor in a Changing World. Washington, D.C: The Commission on Guidance in American Schools, 1962.
Citace podle MLA (9th ed.)Wrenn, C. Gilbert. The Counselor in a Changing World. The Commission on Guidance in American Schools, 1962.
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