APA

Gambhir Sudha, University of Delhi. Faculty of Arts. Department of Library and Information Science & University of Delhi. Faculty of Arts. Department of Library and Information Science. (1977). Union catalogue of books published prior to 1920 in the field of Social Sciences (History, Political Science and Economics) in Hindu College library and St. Stephens College library. : .

Chicago

Gambhir Sudha, 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. 1977. Union catalogue of books published prior to 1920 in the field of Social Sciences (History, Political Science and Economics) in Hindu College library and St. Stephens College library. : .

Harvard

Gambhir Sudha, 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. (1977). Union catalogue of books published prior to 1920 in the field of Social Sciences (History, Political Science and Economics) in Hindu College library and St. Stephens College library. : .

MLA

Gambhir Sudha, 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. Union catalogue of books published prior to 1920 in the field of Social Sciences (History, Political Science and Economics) in Hindu College library and St. Stephens College library. : . 1977.