Harman,David, & Keehn, T. B. (1973). Functional education for family life planning, II: Program Design. World Education.
Citace podle Chicago (17th ed.)Harman,David, a Thomas B. Keehn. Functional Education for Family Life Planning, II: Program Design. New York: World Education, 1973.
Citace podle MLA (8th ed.)Harman,David, a Thomas B. Keehn. Functional Education for Family Life Planning, II: Program Design. World Education, 1973.
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