McCullough, K. (1972). Approval Plans: Vendor Responsibility and Library Research. A Literature Survey and Discussion.
Chicago-Zitierstil (17. Ausg.)McCullough, Kathleen. Approval Plans: Vendor Responsibility and Library Research. A Literature Survey and Discussion. 1972.
MLA-Zitierstil (9. Ausg.)McCullough, Kathleen. Approval Plans: Vendor Responsibility and Library Research. A Literature Survey and Discussion. 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.