Paperback
details (UK).
(see also: Loose Leaf)
details (USA).
(see also: Loose Leaf)
details (Germany).
(see also: Loseblattsammlung)
details (Italy).
(see also: A fogli intercambiabili)
ISBN: 978-0-435-16991-6
ISBN-10: 0-435-16991-2
Heinemann ยท 1999