Cita APA (7a ed.)

American Society for Training and Development & Williams, G. A. (2009). Build Your Training Portfolio (1st edition.). American Society for Training & Development.

Cita Chicago Style (17a ed.)

American Society for Training and Development y Greg Author Williams. Build Your Training Portfolio. 1st edition. [Place of publication not identified]: American Society for Training & Development, 2009.

Cita MLA (9a ed.)

American Society for Training and Development y Greg Author Williams. Build Your Training Portfolio. 1st edition. American Society for Training & Development, 2009.