Citazione Stile APA (7a Edizione)

(1973). International bibliography of directories =: Internationale Bibliographie der Fachadressbücher (5th rev. ed.). R.R. Bowker ; Verlag Dokumentation.

Citazione stile Chigago Style (17a edizione)

International Bibliography of Directories =: Internationale Bibliographie Der Fachadressbücher. 5th rev. ed. New York : Pullach/München: R.R. Bowker ; Verlag Dokumentation, 1973.

Citatione MLA (9a ed.)

International Bibliography of Directories =: Internationale Bibliographie Der Fachadressbücher. 5th rev. ed. R.R. Bowker ; Verlag Dokumentation, 1973.