Keehn, T. B. (1971). Functional education for family life planning: A program plan. World Education.
Dyfyniad Arddull ChicagoKeehn, Thomas B. Functional Education for Family Life Planning: A Program Plan. New York: World Education, 1971.
Dyfyniad MLAKeehn, Thomas B. Functional Education for Family Life Planning: A Program Plan. World Education, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.