Cita APA (7th ed.)

Laskowski, L. (2012). Painless presentations: The proven, stress-free way to successful public speaking. Wiley.

Cita Chicago (17th ed.)

Laskowski, Lenny. Painless Presentations: The Proven, Stress-free Way to Successful Public Speaking. Hoboken, New Jersey: Wiley, 2012.

Cita MLA (9th ed.)

Laskowski, Lenny. Painless Presentations: The Proven, Stress-free Way to Successful Public Speaking. Wiley, 2012.