APA

Jha Ajit Kumar, University of Delhi. Faculty of Arts. Department of Library and Information Science & University of Delhi. Faculty of Arts. Department of Library and Information Science. (1999). Reference and bibliographical sources in Central Science Library DU, National Science Library, INSDOC and their users. : .

Chicago

Jha Ajit Kumar, University of Delhi. Faculty of Arts. Department of Library and Information Science and University of Delhi. Faculty of Arts. Department of Library and Information Science. 1999. Reference and bibliographical sources in Central Science Library DU, National Science Library, INSDOC and their users. : .

Harvard

Jha Ajit Kumar, University of Delhi. Faculty of Arts. Department of Library and Information Science and University of Delhi. Faculty of Arts. Department of Library and Information Science. (1999). Reference and bibliographical sources in Central Science Library DU, National Science Library, INSDOC and their users. : .

MLA

Jha Ajit Kumar, University of Delhi. Faculty of Arts. Department of Library and Information Science and University of Delhi. Faculty of Arts. Department of Library and Information Science. Reference and bibliographical sources in Central Science Library DU, National Science Library, INSDOC and their users. : . 1999.