Sharon L. Lechter
David H. Bangs
Carl S. Warren
Robert T. Kiyosaki
Arthur J. Keown
Stephen A. Ross
Adam Smith
Stephen A Ross
Geoffrey A. Moore
Eric Tyson
Martí Saballs
Unknown Author
Jeff D. Opdyke
Fernando José Ruíz de Luna
Joan Antoni Melé
Álvaro Pombo
International Monetary Fund.