Code for classifiers principles governing the consistent placing of books in a system of classification
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Chicago
American Library Association
1939
|
| संस्करण: | 2nd ed. |
| विषय: |