Cita APA (7th ed.)

Harman,David, & Keehn, T. B. (1973). Functional education for family life planning, II: Program Design. World Education.

Cita Chicago (17th ed.)

Harman,David, i Thomas B. Keehn. Functional Education for Family Life Planning, II: Program Design. New York: World Education, 1973.

Cita MLA (8th ed.)

Harman,David, i Thomas B. Keehn. Functional Education for Family Life Planning, II: Program Design. World Education, 1973.