Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

International ISBN Agency. (1994). Publishers' international ISBN directory (21st ed. (1994/95).). Saur Bowker.

Chicago Citation Edition Citation

International ISBN Agency. Publishers' International ISBN Directory. 21st ed. (1994/95). München : New York: Saur Bowker, 1994.

MLA Citation Edition Citation

International ISBN Agency. Publishers' International ISBN Directory. 21st ed. (1994/95). Saur Bowker, 1994.