Jones, A. J. (1963). Principles of guidance (5a. ed.). McGraw-Hill.
Cita Chicago (17th ed.)Jones, Arthur J. Principles of Guidance. 5a. ed. Tokio: McGraw-Hill, 1963.
Cita MLA (9th ed.)Jones, Arthur J. Principles of Guidance. 5a. ed. McGraw-Hill, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.