Cita APA (7th ed.)

Alexander, W. M., & Hines, V. A. (1967). Independent study in secondary schools. Holt, Rinehart and Winston.

Cita Chicago (17th ed.)

Alexander, William Marvin, i Vynce Albert Hines. Independent Study in Secondary Schools. New York: Holt, Rinehart and Winston, 1967.

Cita MLA (8th ed.)

Alexander, William Marvin, i Vynce Albert Hines. Independent Study in Secondary Schools. Holt, Rinehart and Winston, 1967.