Cita APA

Vargas, L. (2009). Produce More Energy: How, When and How.

Chicago Style Citation

Vargas, Leiner. Produce More Energy: How, When and How. 2009.

Cita MLA

Vargas, Leiner. Produce More Energy: How, When and How. 2009.

Atenció: Aquestes cites poden no estar 100% correctes.