By Ury, William.
Bogotá : Norma, 2006 .
190 p. ; 23 cm. 9580497397

By Jáuregui, Román Guillermo.
Buenos Aires : La Ley, 2008 .
198p. ; 24cm. 9789870312918

By Fisher, Roger.
Buenos Aires : Granica, 2007 .
205 p. ; 22 cm. 9506411336

By García Vior, Andrea.
Buenos Aires : Errepar, 2014 .
299 p. ; 21,5 cm. 9789870116554

By Alcaide, Stella Maris.
[s.l.]: [s.n.], 1900 .
151 p. : , p.144. 21 cm.
950808202X