APA
Singh N., Thakur D., . (2003). Marketing principles & techniques: a basic text-cum-reference book for all students of management, commerce and all courses in marketing management. New Delhi: Deep & Deep Publication.
Chicago
Singh Nirmal, Thakur Devendra, . 2003. Marketing principles & techniques: a basic text-cum-reference book for all students of management, commerce and all courses in marketing management. New Delhi: Deep & Deep Publication.
Harvard
Singh N., Thakur D., . (2003). Marketing principles & techniques: a basic text-cum-reference book for all students of management, commerce and all courses in marketing management. New Delhi: Deep & Deep Publication.
MLA
Singh Nirmal, Thakur Devendra, . Marketing principles & techniques: a basic text-cum-reference book for all students of management, commerce and all courses in marketing management. New Delhi: Deep & Deep Publication. 2003.