APA Edition Citation

Boll J J. (1974). Changing concept of reference service. Vikas pub.

Chicago Edition Citation

Boll J J. Changing Concept of Reference Service. New Delhi: Vikas pub, 1974.

MLA Edition Citation

Boll J J. Changing Concept of Reference Service. Vikas pub, 1974.

Warning: These citations may not always be 100% accurate.