Cita APA (7th ed.)
Trappe, T. (2006). Intelligent business: Coursebook (1a. ed.).
Cita Chicago (17th ed.)
Trappe, Tonya. Intelligent Business: Coursebook. 1a. ed. 2006.
Cita MLA (9th ed.)
Trappe, Tonya. Intelligent Business: Coursebook. 1a. ed. 2006.
Atenció: Aquestes cites poden no estar 100% correctes.