Jones, A. J. (1945). Principles of guidance (3rd ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Jones, Arthur J. Principles of Guidance. 3rd ed. New York: McGraw-Hill, 1945.
Cita MLA (9a ed.)Jones, Arthur J. Principles of Guidance. 3rd ed. McGraw-Hill, 1945.
Precaución: Estas citas no son 100% exactas.