APA

Paliwal Bharti, University of Delhi. Faculty of Arts. Department of Library and Information Science & University of Delhi. Faculty of Arts. Department of Library and Information Science. (1985). Trends in subject indexing since 1950's with particular reference to chain indexing, POPSI and PRECIS. : .

Chicago

Paliwal Bharti, 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. 1985. Trends in subject indexing since 1950's with particular reference to chain indexing, POPSI and PRECIS. : .

Harvard

Paliwal Bharti, 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. (1985). Trends in subject indexing since 1950's with particular reference to chain indexing, POPSI and PRECIS. : .

MLA

Paliwal Bharti, 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. Trends in subject indexing since 1950's with particular reference to chain indexing, POPSI and PRECIS. : . 1985.