APA
Roll No. 11, University of Delhi. Faculty of Arts. Department of Library and Information Science & University of Delhi. Faculty of Arts. Department of Library and Information Science. (1965). Patents historical development and organisation. : .
Chicago
Roll No. 11, 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. 1965. Patents historical development and organisation. : .
Harvard
Roll No. 11, 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. (1965). Patents historical development and organisation. : .
MLA
Roll No. 11, 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. Patents historical development and organisation. : . 1965.
