Publishers' international ISBN directory.
Contributors: International ISBN Agency.
Edition: 20th ed.
Series: Handbook of international documentation and information -- v.7
Publisher: K.G. Saur
Published: 1993
Place of publication: München; London
Language: eng
Notes: Previous ed: 1992.

At head of title: International ISBN Agency.
Table of contents: value: Contents: Vol.1: Geographical section - Vol.2: Numerical ISBN section - Vol.3: Alphabetical section.