SINGH, R. (1995). SUSTAINABLE RECONSTRUCTION OF HIGHLAND AND HEADWATER REGIONS. Oxford & IBH publishing co. pvt. Ltd.
Chicago Style (17th ed.) ZitazioaSINGH, R.B. SUSTAINABLE RECONSTRUCTION OF HIGHLAND AND HEADWATER REGIONS. NEW DELHI, INDIA: Oxford & IBH publishing co. pvt. Ltd, 1995.
MLA (9th ed.) ZitazioaSINGH, R.B. SUSTAINABLE RECONSTRUCTION OF HIGHLAND AND HEADWATER REGIONS. Oxford & IBH publishing co. pvt. Ltd, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.