Shertzer, B., & Stone, S. C. 1. . . j. a. (1976). Fundamentals of guidance (4th ed.). Houghton Mifflin.
Cita Chicago (17th ed.)Shertzer, Bruce, i Shelley C. 1928- joint auth Stone. Fundamentals of Guidance. 4th ed. Boston: Houghton Mifflin, 1976.
Cita MLA (9th ed.)Shertzer, Bruce, i Shelley C. 1928- joint auth Stone. Fundamentals of Guidance. 4th ed. Houghton Mifflin, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.