Keehn, T. B. (1971). Functional education for family life planning: A program plan. World Education.
Chicagoスタイル(17版)引用形式Keehn, Thomas B. Functional Education for Family Life Planning: A Program Plan. New York: World Education, 1971.
MLA(8版)引用形式Keehn, Thomas B. Functional Education for Family Life Planning: A Program Plan. World Education, 1971.
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