Cita APA (7a ed.)

Carvalho, K. (2012). Everything you need to know about the basic concepts of logic. BrainMass Inc..

Cita Chicago Style (17a ed.)

Carvalho, Keila. Everything You Need to Know About the Basic Concepts of Logic. [Newmarket, Ontario]: BrainMass Inc., 2012.

Cita MLA (8a ed.)

Carvalho, Keila. Everything You Need to Know About the Basic Concepts of Logic. BrainMass Inc., 2012.