APA

Narayan G., .Surveying. New Delhi: Random pup, 2014: .

Chicago

Narayan Gopal, .Surveying. New Delhi: Random pup, 2014: .

Harvard

Narayan G., .Surveying. New Delhi: Random pup, 2014: .

MLA

Narayan Gopal, .New Delhi: Random pup, 2014: . .