National Forum Foundation. (1955). Teacher's guide for Planning my future (3rd ed.). National Forum Foundation.
Citace podle Chicago (17th ed.)National Forum Foundation. Teacher's Guide for Planning My Future. 3rd ed. Chicago: National Forum Foundation, 1955.
Citace podle MLA (8th ed.)National Forum Foundation. Teacher's Guide for Planning My Future. 3rd ed. National Forum Foundation, 1955.
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