Schertzer, B., & Stone, S. C. (1966). Fundamentals of guidance. Houghton Mifflin.
Cita Chicago (17th ed.)Schertzer, Bruce, i Shelley C. Stone. Fundamentals of Guidance. Boston: Houghton Mifflin, 1966.
Cita MLA (9th ed.)Schertzer, Bruce, i Shelley C. Stone. Fundamentals of Guidance. Houghton Mifflin, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.