Shertzer, B., & Stone, S. C. (1976). Fundamentals of guidance (3d ed.). Houghton Mifflin.
Chicago-referens (17:e uppl.)Shertzer, Bruce, och Shelley C. Stone. Fundamentals of Guidance. 3d ed. Boston: Houghton Mifflin, 1976.
MLA-referens (9:e uppl.)Shertzer, Bruce, och Shelley C. Stone. Fundamentals of Guidance. 3d ed. Houghton Mifflin, 1976.