APA
Dev A., Dev I. A., . (2000). Contemporary world history part l for class xii. New Delhi: National council of educational resarch and training.
Chicago
Dev Arjun, Dev Indira Arjun, . 2000. Contemporary world history part l for class xii. New Delhi: National council of educational resarch and training.
Harvard
Dev A., Dev I. A., . (2000). Contemporary world history part l for class xii. New Delhi: National council of educational resarch and training.
MLA
Dev Arjun, Dev Indira Arjun, . Contemporary world history part l for class xii. New Delhi: National council of educational resarch and training. 2000.