by Roger Fisher
Paperback
details (UK).
(see also: Audible Audiobook · Audio CD · Audio CD)
details (United States).
(see also: Audible Audiobook · Audio CD · eBook (Kindle))
details (Germany).
(see also: CD-ROM · Audible Hörbuch · Kindle Ausgabe)
details (Canada).
(see also: Audio CD · Audio CD · eBook (Kindle))
ISBN: 978-0-14-012638-9
ISBN-10: 0-14-012638-4
Penguin · 1989