APA

Gopalka Ajay Kumar, University of Delhi. Faculty of Medical Sciences. Department of Paediatrics, Dr G R Sethi Supervisor & University of Delhi. Faculty of Medical Sciences. Department of Paediatrics. (1993). Study of prevalence of bronchial asthma in shcool children in Delhi. : .

Chicago

Gopalka Ajay Kumar, University of Delhi. Faculty of Medical Sciences. Department of Paediatrics, Dr G R Sethi Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Paediatrics. 1993. Study of prevalence of bronchial asthma in shcool children in Delhi. : .

Harvard

Gopalka Ajay Kumar, University of Delhi. Faculty of Medical Sciences. Department of Paediatrics, Dr G R Sethi Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Paediatrics. (1993). Study of prevalence of bronchial asthma in shcool children in Delhi. : .

MLA

Gopalka Ajay Kumar, University of Delhi. Faculty of Medical Sciences. Department of Paediatrics, Dr G R Sethi Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Paediatrics. Study of prevalence of bronchial asthma in shcool children in Delhi. : . 1993.