Van De Voorde, P. E. (1989). Should Reference Service for U.S. Government Publications and General Reference Be Merged? A Case Study.
Chicago-Zitierstil (17. Ausg.)Van De Voorde, Philip E. Should Reference Service for U.S. Government Publications and General Reference Be Merged? A Case Study. 1989.
MLA-Zitierstil (9. Ausg.)Van De Voorde, Philip E. Should Reference Service for U.S. Government Publications and General Reference Be Merged? A Case Study. 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.