Cita APA (7th ed.)

(2007). The IT professional's business and communications guide: A real-world approach to Comp TIA A+ soft skills / Steven Johnson.

Cita Chicago (17th ed.)

The IT Professional's Business and Communications Guide: A Real-world Approach to Comp TIA A+ Soft Skills / Steven Johnson. 2007.

Cita MLA (9th ed.)

The IT Professional's Business and Communications Guide: A Real-world Approach to Comp TIA A+ Soft Skills / Steven Johnson. 2007.

Atenció: Aquestes cites poden no estar 100% correctes.