APA

Roll No. 1144, University of Delhi. Faculty of Education. Department of Education & University of Delhi. Faculty of Education. Department of Education. (1977). Investigation into relationship of study habits attitude and intelligence with acheivement of class IX of Higher secondary schools in Delhi. : .

Chicago

Roll No. 1144, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. 1977. Investigation into relationship of study habits attitude and intelligence with acheivement of class IX of Higher secondary schools in Delhi. : .

Harvard

Roll No. 1144, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. (1977). Investigation into relationship of study habits attitude and intelligence with acheivement of class IX of Higher secondary schools in Delhi. : .

MLA

Roll No. 1144, University of Delhi. Faculty of Education. Department of Education and University of Delhi. Faculty of Education. Department of Education. Investigation into relationship of study habits attitude and intelligence with acheivement of class IX of Higher secondary schools in Delhi. : . 1977.