Cita APA (7th ed.)

Keehn, T. B. (1971). Functional education for family life planning: A program plan. World Education.

Cita Chicago (17th ed.)

Keehn, Thomas B. Functional Education for Family Life Planning: A Program Plan. New York: World Education, 1971.

Cita MLA (8th ed.)

Keehn, Thomas B. Functional Education for Family Life Planning: A Program Plan. World Education, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.