Friel, J. (2009). The triathlete's training bible (3.). Velo Press.
Chicago Edition CitationFriel, Joe. The Triathlete's Training Bible. 3. Usa: Velo Press, 2009.
Cita MLAFriel, Joe. The Triathlete's Training Bible. 3. Velo Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.