Cita APA (7th ed.)

Video Arts Limited, The Production Tree, Cleese, J., Jay, A., & Hardie, S. (2005). Performance matters: The importance of praise. Video Arts.

Cita Chicago (17th ed.)

Video Arts Limited, The Production Tree, John Cleese, Anthony Jay, i Sean Hardie. Performance Matters: The Importance of Praise. Oxford, London: Video Arts, 2005.

Cita MLA (8th ed.)

Video Arts Limited, et al. Performance Matters: The Importance of Praise. Video Arts, 2005.