Cita APA (7th ed.)

American Society for Training and Development & Biech, E. (2008). ASTD handbook for workplace learning professionals. ASTD Press.

Cita Chicago (17th ed.)

American Society for Training and Development i Elaine Biech. ASTD Handbook for Workplace Learning Professionals. Alexandria, Va.: ASTD Press, 2008.

Cita MLA (9th ed.)

American Society for Training and Development i Elaine Biech. ASTD Handbook for Workplace Learning Professionals. ASTD Press, 2008.