(Foreword, Arabic)
(2011)
(Foreword, Arabic)
(2013)
(Foreword, Arabic)
(2013)
(Foreword, Chinese)
(1989)
(Foreword, Japanese)
(1991)
(Foreword, Japanese)
(2000)
(Foreword, Korean)
(1995)
A Nuestros Lectores
(1973)