Copertina flessibile
details (Italy).
details (United Kingdom).(see also: Audible Audiobook)
details (Germany).(see also: Audible Hörbuch)
details (Canada).(see also: Audible Audiobook)
ISBN: 978-88-7787-106-0
ISBN-10: 88-7787-106-7
Editrice Antroposofica · 1980