White, A. (2003). Building an internal certification program (1st edition.). ASTD.
Cita Chicago Style (17a ed.)White, Alicia. Building an Internal Certification Program. 1st edition. [Alexandria, Va.]: ASTD, 2003.
Cita MLA (9a ed.)White, Alicia. Building an Internal Certification Program. 1st edition. ASTD, 2003.
Precaución: Estas citas no son 100% exactas.