Paperback
details (UK).(see also: Audible Audiobook)
details (USA).(see also: Audible Audiobook)
details (Germany).(see also: Audible Hörbuch)
details (Canada).(see also: Audible Audiobook)
ISBN: 978-0-521-09204-3
ISBN-10: 0-521-09204-3
Cambridge University Press · 1959