APA
Dev N., . (2010). Classification of drugs including dosages (pharmacology) 6th ed. Jaypee Brothers: New Delhi.
Chicago
Dev Narinder, . 2010. Classification of drugs including dosages (pharmacology) 6th ed. Jaypee Brothers: New Delhi.
Harvard
Dev N., . (2010). Classification of drugs including dosages (pharmacology) 6th ed. Jaypee Brothers: New Delhi.
MLA
Dev Narinder, . Classification of drugs including dosages (pharmacology) 6th ed. Jaypee Brothers: New Delhi. 2010.